How long have people been complaining? For several years.
How many concrete changes has theymos enacted in order to combat any of these problems? None1.
How many real (genuine) users have abandoned or been forced to abandon ship because of this? Numerous.
[1] Actually things that work.
Note: I agree with every single point that OP has listed, and there's probably more. The reason for which I refuse to tackle other people's posts is because we've already discussed all of this ad nauseum".