I don't think so - I just made a post in a different thread answering this question.
You can't just hyperventilate, pass out, and drown. That's not what SWB is.
SWB is when a diver hyperventilates, remains conscious, and then proceeds to hold their breath so long that they pass out. But the reason they pass out has to do with many physiological variables, one of them being the compression of the lung at depth (allowing the free diver to hold their breath even longer), and then the decompression of the lungs as they surface. They then pass out because they have been holding their breath for so long, part of which hyperventilation allows them to do.
Everyone who I've seen hyperventilate, including myself, passes out for less than 5 seconds. If you were to hyperventilate then attempt to pass out and drown, you would wake up immediately and experience everything that goes with drowning - which, according to a few anecdotal reports on here of people who survived accidental drownings in their youth, is very painful.
I don't know why they closed the mega thread on this method, but I suspect it is because it is not viable.