Today, every telecom company is also a OTT apps/services company with desires to become like big tech. So, your assertions about telecom companies as some sort of time frozen thing is not valid.

Secondly, I would trust Google more than Apple or Meta to keep my data safe from technical hacks or leaking or selling it to third parties. And I understand they are going to use my data to power their ads business where they personalize and target ads to me on their own and 3rdparty properties.

Finally, we need to keep the regulatory oversight and pressures to move and keep them in line with increasing privacy and security expectations.