Follow the incentives! Thanks for the confirmation. 

Of course, Twitter is filled with these wankers,  who know better, are selfish, feign ignorance and are dishonest when confronted with their treachery, and cannot be trusted.

The bitcoin celebrities who use their platforms are similarly worthy of distrust. 

 YouTube income for many finTubers is the supplementary income, if it were enough, they would not be shilling ad reads, courses, merch or affiliate links

Also we don't know what these peoples expenses look like and if any of them practice what they preach, I highly doubt it