It will happen, because the developers will get the same fees what the miners get right now without spending energy (which is a risky and low margin industry).

It will happen, because the developers will get the same fees what the miners get right now without spending energy (which is a risky and low margin industry). Good luck getting real institutional money getting into PoS based systems though, PoW took 10 years to get accepted as a secure store of value for the tresuries.