Oh dear. No, they dont.
And the end to end principle is relative purist bollocks anyway. Every single large corporate and every single domestic user with almost no exceptions runs a private network behind a de-facto NAT firewall to connect to the internet.
No, its is a massively useful way to isolate private and public networks without having to do more than institute a NAT router/firewall at the boundary.
I suspect you are in favour of unlimited immigration from hostile countries and populations, as well.
The rest of us want to preserve our freedoms inside an area that is strongly guarded.