Just to be clear though,  Yan Swan is trying to debunked the myth that "Bitcoin has no use case".

He laid down a lot of it in this twitter in which the OP has try to summarized it in his blog. So he is not that anti Bitcoin.

And even “Bitcoin has no use except for speculation by tech bros”, that's already a use case isn't it, you speculate on the price and see if you can make money out or it or not. The problem is that when people losing money, they blame the market itself and think that it is being manipulated by some big entities and that is the reason why they lose, Lol.