That makes total sense since there are more tokens coming out which have utility.

Bitcoin is still going to be a big player...it has,by far, the most developers on it (probably more than all the other chains combined if you remove ETH). That said, it wasnt going to be 50% of a multi-trillion dollar market.

As the Wall Street money flows in, some are starting to look at the projects the alt-coins are involved in. This is only going to increase as time goes buy.

I would not be surprised to see BTC settle with 15%-20% of the total crypto market cap.