Looks like a good start! Honestly, my biggest suggestion for people getting into Gundam is just to watch whatever UC content seems interesting to you and let curiosity take you from there.
I think my only “hot take” might be that in my opinion, people should watch a good chunk of UC before moving to AU content. My reasoning is that you’ll get a lot more out of AU content when it’s viewed through the metatextual context of UC.
Especially when X and Turn A are basically big meta-commentaries.
I'd say the only AU to really rely on anything after Char's Counterattack is Gundam AGE, and the best thing I can say about that series is that it tried to introduce some stuff that resembles Hathaway and Crossbone.