Absolutely, we had a CSLA project in one of my previous places of work and it became that project no-one dared touch because it just about worked in it's curren

Absolutely, we had a CSLA project in one of my previous places of work and it became that project no-one dared touch because it just about worked in it's current state but no one could actually understand. So we'd just write "around" the abstractions to avoid having to interact with the CSLA "magic". Eventually I think it was written out of the solution.