I'm afraid F servers does not follow the intention of my original
proposal of anycast root servers.
This may well be the case (I haven't read your original proposal).
The IDs have expired. I'm working on a revised one.
Apologies if I gave the impression that I thought to the contrary.
No, no need of apologies.
Finally, using only a single address, F, does not provide any
Fortunately there are twelve other root nameservers.
But, one should have one's own three root servers with different addresses.