Yeah, this could be a problem in other ways as well. The main one I can think of being the ease with which you could block entire hallways, which is the reason Engineers are no longer hackable since blocking passageways (via wall construction) is not just "good," as you suggest--it's super OP.
Plus there are already multiple ways to disable robots.
Thematically it's great, but mechanically it wouldn't fit too well. In fact, I think you've summed up the differences nicely with your bullet points