Criminals check social medias because they want to know how much money you've got. If you're showing off on social medias you're going to attract bad ppl who'll want to steal your crypto.
They check because they want to know the status of their target and plan their possible attacks.
That's why being an influencer is really hard since different kind of people including those criminals could monitor us and we are been so exposed on anything bad thing that you can imagine.
That's why if those influencers is earning good fortune maybe better solution they could do is to hire security guards at home so that they can make sure that criminals can't easily do their plans since you hired some skilled people to monitor your safety.