Very true that it needs to be confirmed, but worth mentioning that every paper in history was at one point or another unreviewed and uncooborated. The fact that this isn’t yet doesn’t inherently mean anything bad for the quality of the results.
I’m just a biologist so I can’t weigh in to the credibility of the paper beyond that
What do you think the death toll of flight attempts was before the Wright brothers finally got it right? Certainly not in the millions.
Whether or not you like communism, “keep trying over and over until it works” is a bad plan when failure has historically cost lives.