Occam's razor-- why add interdimensional beings who want to kill humans into the theory? Just simplify-- all animals on Earth cannot be equal in strength. Their strength is measured by what we can call "Dominance". What determines dominance? Why is it the Lion that eats the Gazelle and not the other way? Because the Lion was adapted, slowly. The most successful gazelle killers went forward, the others died. The lions compete not just with the gazelle(catch vs. outrun), but also with other lions, in a social hierarchy. Just because you belong to the "majestic species" Lion, doesn't mean you get that sweet lioness pussy. Only the top Lions get that, the rest get murdered/dominated by other lions and exploited for the success of the tribe(power in numbers).
It's the same in humans. It's not a mystery why certain dominant human cultures(From ancient Egyptians, you know, the ones who build the GIANT PYRAMID SHAPED STRUCTURES WHICH IS A SYMBOL OF HIERARCHY?-- to the English). I will stop typing so you can think for a second. Let it all sink in. Dominance. Pyramid. Ancient societies. Eeons. Evolutionary time scales. Murder of the weakest. The strongest fuck and go forward. Any weak, get their children raped and murdered. Repeat... repeat... repeat... repeat...
Here we are, 2020. The rulers of the world are literally the children of the parents of parents of parents ... etc.... who **DOMINATED** reality for HUNDREDS of thousands of years. This is obvious when you just think about it. Yet... if you say this in public, you're a nutjob. That's not an accident.
Why do these people not let you kill yourself? Because you are a farm animal. You are domesticated, fed propaganda from the religion you were born into, or the state doctrine you were born into, and you are to be a meme carrier til you die. Dying early is bad. Living a long life and have your life slowly drained in a hospital bed on life support as you shit yourself to death is more profitable. More profitable = good. Unethical but profitable? = good. Your job is to exist and keep the gears turning. The king with the biggest machine under him, fuels the largest economy. Aruba has zero chance of dominating the planet. China, the US, Russia, etc. are another story.
This has been the case for thousands of years. They keep you afraid. The apocalypse is coming! The world is ending! You'll go to hell if you disobey! These are all the ancient tactics for dominating humanity. It's far more complex than this, but that's just a basic intro to the reality you exist in: A world of lies and ancient domination tactics, arranged in a pyramid, with the top dog dominators sitting at the very top and using their power to fight each other, hidden from your view.
Bad news, you were born into a kind of hellworld, and how bad it is depends on who you are in this world. You could be in the hell of a someone who is very rich but so famous that they are involved in the social elite, like Anthony Bourdain, who was almost certainly murdered to send fear to the other social elite for some "bad behavior" by someone powerful(you'd be amazed how afraid narcissistic movie stars and big names get when they know someone offed one of their lot--- they obey power very fast, their egos are giant and they are terrified of thugs breaking into their hotel room strangling them to death with no justice whatsoever cuz mafias dominate planet earth).
Or, you could be in a micro hell-- you could be some kid born in some random spot on earth, where your psychopath parents, parents who have the genetic baggage of "Winners" of this evolutionary game, decide to lock in a cage and torture you with fire and jumper cables for the 9 years of your life before you finally die of trauma, begging God every day "Why... why... why...".
Or you could just be some "luckier", just a random NPC... nothing too bad happened to them... nothing too good... walking around in this grey, bizarre, confusing hellworld wondering if this is all a joke and someone will unplug the virtual reality machine soon.
No matter how lucky or unlucky you are, it doesn't change the fact that the nature, the pure essence of this world, is a form of Hell. It's just that some people perceive less/more of the hell than others.