The rumors are not but fallacies. It is important we approach such things we a clear eye so that we won't get misguided. T
Most rumors are started by people holding a grudge against the US.
Greencard, blocked accounts, confiscated funds, you just name one.
These rumors are not from people having a reputation to lose if proven wrong.
That is the part where social media sets in.
You watch a YouTube speaker and dig into him often you find the reason why he made the video.
People without websites you should discard immediately. Mass websites as some people do better work than others you find their domains a re protected and such.