Because it looks confusing to some people...
Here's an exemple of what "stronghold" in BG2 leads to.

Everyone can do the quest to "free" the castle but only some classes can rule it.

It has close to nothing to do with housing or camping/resting.

Ruling the De'Arnise keep and land


French Speaking Youtube Channel with a lot of BG3 videos : https://www.youtube.com/c/maximuuus