When you buy you pay the fee for tx isn’t that “paying for network security” ?
Discussion
in the most absolute minimal way
Ok since you don't want or can go there, I will try to give some insight to my own question:
With 8 billion people, let's assume 4 billion using #Bitcoin in some decades, even single person can only transact once every ~ 10 thousand year, and every block will be completely filled.
So that is some pretty BOLD HODLING to me !