Has Youtube given up on trying to fix this madness? I know that Youtube is going to force 2fa on all creators starting November so that's the only hope to see these scams go down in numbers, but im afraid 2fa will not be enough.
The best thing to do when we see such scam videos is report them to youtube in hope it could be takedown asap so no one victims who would fall to this kind of trap.
IMO, forcing 2fa security on all creators account would not totally stop crypto scam on youtube environment, it just a step to prevent hacking attempts and abusing youtube channel.