...you can hide your IP but you can't hide your address list.
Sorry this topic had to wake up. I am looking for a
privacy related answer for Electrum. After reading your post it seems that they do not log the IP...
in other words no IP address is recorded.
If they do not record the IP then why the question rise to hide the IP?
you don't know what Electrum servers do. there is always a chance that some of them for various reasons (blockchain analysis, being government agents,...) are recording all IP addresses and associate them with a list of bitcoin addresses that you own and reveal as you make a request to these servers for your transaction history.
people don't want others snoop around in their business, know how much they own, where they keep their coins,... it is a matter of wanting to keep your privacy which is why some attempt at hiding their IP addresses so that they can improve their privacy a little bit this way.