What sensible/viable alternative investment strategies are there? (opens in new tab)

Disclaimer upfront, I am not looking for financial advice, just ideas/brainstorming. I, like I'm sure many here, have some investments in index funds (and not even counting pensions etc for now). I'm sure a lot of people are keeping track of what is happening with the SpaceX IPO, and how they are essentially forcing themselves into the indexes. There is a widely held belief that this is tantamount to a rug-pull of sorts, but combined with the overall likely AI bubble, I've been thinking for a...