YANBU!!
It was awful and not helpful. I’m amazed at how many people didn’t read your post properly.
Correct me if I’m wrong but:-
1 OP had made it clear before the birth that she only wanted DH and her mum with her
2 DH did not text his mum and ask her to come, he told her what had happened.
3 MIL wasn’t in a waiting room, she was in the recovery room right next to an unconscious but no longer in danger OP and she remained there as she started to stir, instead of alerting her son and moving aside to allow him to be by OP as she woke.
That alone is dreadful, but with subsequent updates we learn DH reminded his mother that his wife wouldn’t want her in the room and told her to wait outside, so all the posters postulating that she was there - in the recovery room -because DH needed her support are wrong.
OP, I’d be disgusted with MIL, it does sound like she wanted in, not just to support, if she came because she was understandably worried and to support her son then she would have done as her son asked and waited outside.
I’d be angry with her, and disappointed with the hospital and asking questions.
I also ageee that under the circumstances your DH did as much as anyone could expect; he didn’t invite her, and when she arrived he asked her not to come in, he wasn’t in a place to focus on her and her non-compliance, he had NICU newborns and an unconscious wife to worry about.
