The appearance impropriety is almost always just as deferential as actual impropriety. Missing out on Gains will do a lot less damage than getting caught in a pump and dump scheme
There are other s&p indexes. You can get total market index of you want. If you go too large you pick up companies that are too small you might as well pick the Russel or similar. The 500 is/was a good balance. Companies big enough to have government influence but not just the bloated top.
It’s true once built the data center can operate right up to a financed data center value of zero. The investors will loose money but the costs of AI will go down as they do
I mean yes they are serving ads off websites they Plagiarized with AI. So if you use ai to serve up content you don’t own as your property then perhaps you can make money. The cost is that they are completely killing the creators