This grown man spent all that money on one card. If it was speculation he wouldn’t have realised very much of a gain on it in the short term had he sold (not that this is any way to make up a financial shortfall due to Covid). The lack of judgment and choice of “asset” stinks of the obsessive collector’s mindset, the need to possess that one special piece.
As it happens, I’m in the process of selling some old packs of Pokemon cards that someone gave me years ago when their store stopped selling them. I used to give them out to the kids in my life before they lost interest. I’ll probably get $3-5k for the lot – a nice windfall but I’m not going to retire or build/rescue a business on them.