As this project appears to be fairly unknown in the fediverse still, I’d like to use this opportunity to advertise Flohmarkt. This Fediverse equivalent of Facebook Marketplace already has some instances up and running - see here: https://codeberg.org/flohmarkt/flohmarkt/wiki/flohmarkt-instances
Right, über is a word. “uber” is very much not. The points aren’t decoration or a pronunciation guide, they signify a different letter.
It’s like saying that Spanish people call their country Espana.