You must not have your name attached to your ISP. There are ways.
Use a VPN router.
Mobile phone must be a PAYG sim, unregistered, and no Apple account. Use GrapheneOS.
Public WiFi spots would then only know phone#e79y279ee7 has passed by. Not your identity. There are spoofers too if you really need. And use a VPN.
Explain cookies on Tor, I don't agree.
Idiots use Facebook (although I have used fake profiles in the past).
Don't use Apple or Google or Samsung. You don't need them. GrapheneOS.
It's a lot of work and you always risk leakage. But 99% of the battle is not to be wanted, so if 1% leaks out, they'll never bother to go on a wild goose chase after you.