It helps the average user who is using their own internet connection or public internet connections.
Probably 90% of users will never be on a corporate network where they have control over their own browser configuration.
But all the detractors are like "I lose control over my network"
Whilst seemingly not having the skills to block all public DoH providers in their network. Not even going into DPI or MITM style web security products.
DNS isn't security. It's just an address book.