Framed differently, it sounds like the youtuber opportunisticially divulged some of their true thoughts on topics slowly over time that would have alienated members of their audience had they known who and what they were initially supporting. Pretty cowardly, but not an uncommon tactic amongst his similar peers.

In light of receiving new information that goes against your own tenants against poorly researched misinformation, changing your opinion isn't really a noteworthy response.