I used to fly through the interviews

I used to fly through the interviews. I ace all the interviews I'm given. Never had issues before. My interview approach didn't change at all, I just know more now. Last time I got to final stage of interviews at a major tech company a few years ago, I aced all the interviews and tech tests but for some reason, apparently at the last minute, the head of engineering didn't show up to the final interview which was supposed to be a 'just a formality'. My problems started happening in 2019, quite suddenly so the contrast was noticeable. When I talk to recruiters, initially, they sound excited but for some reason ghost me or they invent new job tech requirements which were not listed on the advert (and which are trivial and I could easily catch up on). I've heard stuff like "Although this position is for a Node.js role, the head of engineering is particular and likes candidates who have some past experience with C#..." WTF!! I think my problems may be related to my involvement in crypto. I tried to actually improve things there. …