The people on the bus at any moment are, by and large, the folks in society who most wanted to be there.
People leaving the bus increases the returns, and the risk, to those who said “Oh no, give up this seat for that money? Hard pass.”
That was a major point of the exercise.
Or you use any of the other zillion opportunities in public equities.
Then does the financial industry have a product for you! It has very many, actually, but the one you actually want is an index fund. The equity exposure you want with no decision making necessary.