You can split hairs however you like on when one needs their own allocation. That wasn’t my point — I was just trying to illustrate to the parent poster (since

You can split hairs however you like on when one needs their own allocation. That wasn’t my point — I was just trying to illustrate to the parent poster (since they seemed uncertain) how internet routing works at a basic level and why decisions over IP space aren’t necessarily a concern for “running a datacenter”. Perhaps I took this remark too literally and I hope the parent commenter forgives me if that is the case.