I'm also wondering the same thing. It has a bunch of very nice capabilities, but taking away such a basic piece of functionality to push people towards the paid options is very concerning.

I raised concerns about deficiencies of their RBAC on their Slack before and they immediately started pushing me to their enterprise offering. I thought it was a red flag but have not imagined they would stoop to this.

When we started using them they seemed like a genuine open source. Is there a term for open source traps like that? If not we need to come up with something. Trapware?

Could be called some kind of https://en.wikipedia.org/wiki/Bait-and-switch , or BAS = B(ullshit)A(ssisted)S(ales)?

Yep, it fits