Personally not that I know of, I have 31 relays 😂😂😂 I’m going to set up my own. I saw some relays with a red dot not sure what that means yet maybe some of them are offline

Someone else could probably shed more light on this, but it could impact data usage which is probably more of an issue on mobile plans.

The other issue that could arise depends on the client. To load a profile for instance, is the client just waiting for the first relay to respond? Is it waiting around to see if 5 other relays respond to make sure the profile metadata is all matching? Is it waiting for every single relay to respond?, etc.

Depends if you're on mobile or desktop. More relays will use more data. Everyone will have a different opinion but I have found keeping relays at ~20 or less is the sweet spot.