I heard about that one after it blew up. I get what you mean 100%. There was a STEEM clone called WEKU around 2019 and I was in Thailand wasting time in the morning copy and pasting my blogs over to WEKU and they never actually ever got on any exchange or anything so we were all blogging for no actual reason basically.
I think the downside of Airheads is going to be if the gas fee to inscribe to Bitcoin is high. Other than that I think it will be worth the time. With Arena I can already tell that some people's whole game is buying tickets for accounts that they think will be active and then selling the tickets on down the road. I could see just that strategy could net someone a pretty big bag of AVAX.
It could also leave the rekt! I was really invested in the whole NFT thing last cycle and while I had some good gains, it ended up biting me in the end.
I hear you. That is why I'm focused on just trying to earn them right now. I did watch the price action of the Neo Tokyo citizens overtime just to gain an awareness but I never bought into it.