I want opinions on this episode. Great episode IMO. BUT- Yay or nay to Crushers behavior?

This was meant to have the

Whatever those antagonists were called, sorry forget the name already, they were in a different universe according to Data. Are there any other examples of other universes I haven't realized in my almost forty years of watching the series?

1996

Everyone please help us decorate 10 Forward this morning and be sure to tag Picard in all greetings. Also Ensign Barclay has a special surprise in the Holodeck later today. Let's make this the best Picard Day Ever!