Belgian here, let’s be honest, Belgium is an edge case, being with Switzerland the few multilingual countries in Western Europe with large proportion of the population speaking one language and the other (different from the South Tyrol situation below).

Germans, French, Dutch, Italians and Spanish living next to a borders would definitely encounter the situation described in the OP.

It’s quite busy, at least one post a day and dozens of comments: https://sopuli.xyz/c/casualconversation@lemm.ee

Do you have English selected in your languages?

As-tu vu ce commentaire d’il y a 15 jours?

https://jlai.lu/post/4214444/9816349

Après sinon sur Europresse ça a l’air disponible aussi:

Not sure why the downvotes

Thank you for posting here