Trump appointed the same justices any Republican would have appointed. Pretty much any Republican who went to law school after the 1980s opposes Roe on principle. The idea that the Supreme Court can’t just make up new rights is something that united legal conservatives, fiscal conservatives, and social conservatives.

Six week abortion bans are a different matter, both legally and practically. That’s where Trump (and many other business-oriented conservatives depart from the religious conservatives). There’s a reason the Mississippi test case in Dobbs was a 15-week ban with exceptions.