It is not official yet, but large institutions have been affirming it through the news, I think you are very eceptive and at some point the PoW protocol will be obsolete and will go against many environmental laws.
First, as
FinneysTrueVision, ethereum 2.0 implemetation can not even be this year as I have read on news. Precautions are being taking to make it secure and safe. It is still under testing.
Secondly, I will prefer proof of work (POW), It provides employment.
1. Many people are employed in companies that produces miners
2. Many people are also employed by mining farms for work purposes
If all cryptocurrencies start using POS, many jobs will loss.