Crypto or not, the one coin, other than Bitcoin, that I find very useful is Monero. Not for investment, not for HoDLing it, not for making you rich, but for actually using it for private transactions. It's a great way to protect your anonymity, and that's why it is the primary coin of choice in cases where privacy is important.

I find Monero to be a little diamond in a huge heap of shitcoin garbage. I don't hold many. I just buy and use, as needed.

As for other coins outperforming Bitcoin, I see this as a "division by zero" case. I.e., any coin starting at near-zero value could easily outperform Bitcoin (or any other coin) when it reaches a non-zero price (x/0 = ∞). I think, perhaps, a better way to assess performance would be to let the coin run for some time (a year?) and start from there (x_now/x_1yr). It would be interesting to assess and compare coin performance in this way. Which coin would win?