When it came out that government was looking at all of the data on the internet, there was a massive effort to move to https. Everyone got involved. Why can't these same companies and organizations push for phones to be anonymous? Why should a 'phone' be primarily a person tracker that happens to have voice communications built in?
The Federal Government purges data that was non-encrypted after a number of years. The Federal Government retains a copy of all https-encrypted communications indefinitely on the understanding that the encryption may be broken at some point. The push to HTTPS was gleefully supported by the US federal government. HTTPS is not a panacea, and is generally useless for most non-sales applications.
HTTPS significantly raises the bar on MITM attacks, such as ISPs adding or replacing ads with their own.
It also prevents folks sitting in the same coffeeshop as you from snooping.
Calling "generally useless" is incredibly uncharitable.