Very true.
It's good to visualize what change could be brought about before it happens. What you're saying does seem likely.

An adjacent problem might be the concept of separating 'clean' coins from 'tainted' coins.

Some suggest the answer would be to mix coins as much as possible to undermine this - otherwise, how could a true circular economy work...

Bitman

For those interested in Number Go Up this appears to be fantastic news. But if that $30 trillion actually does come in, it will destroy Bitcoin as we know it.

This will affect Bitcoin in the run long as the funds brought in by ETF providers will bring a lot of privacy evading features

bitcoin

Could large Bitcoin ETF investment cause a hard fork?

> For those interested in Number Go Up this appears to be fantastic news. But if that $30 trillion actually does come in, it will destroy Bitcoin as we know it.

This will affect Bitcoin in the run long as the funds brought in by ETF providers will bring a lot of privacy evading features 
