These have been going on for a while. I have been noticing these for at least a year, and I have seen a similar format with Bill Gates and Musk. I guess it's a whack-a-mole problem, and MicroStrategy has been attempting to report them as they can.
YouTube should do better. I try and report the ones I come across.
As long as you have the funds to spare. Just don't invest anything you can't afford to loose.
That's what I do. I agree, it's very fascinating to watch a digital currency come into use.
I've bought two cell phones, and a video card using bitcoins. And I've hired a developer for a day with bitcoins. So I see some value besides just investing in them, which also was a bit more incentive.