Yes, you really shouldn't have a (single) relay list.
Discussion
What about too many relays? Could that create issues and slow things down or not?
I meant to mention this on the podcast with nostr:npub1jlrs53pkdfjnts29kveljul2sm0actt6n8dxrrzqcersttvcuv3qdjynqn but it kinda came up:
different kind:10002 in different relay sets 🤔
I'm confused as to what you mean.