I fully agree with you. For the sake of experiment, a year and a half ago I kept a coin and just watched it grow. The roadmap promised quarterly capitalization. Yes, there is a capitalization, but the value of the coin decreased by 2 orders of magnitude! This is a lot, my entire contribution almost burned down, and now it is not an experiment, but simply a sports interest. And alas, this practice is observed with almost all coins.
Ethereum, years ago, brought a big innovation to crypto, so we can hope that it once again, will make a breaking for Proof-of stakeable coins. We mostly saw proof-of-stake coins have their prices drops gradually after switching to stake phase, but Ethereum is a giant in crypto, and it might make a big difference for us. DASH, so far failed in this aspect, so let's see what will happen when ETH activates PoS.