They may do Catholic things, they may say they are Catholics, but if they support abortion, they aren’t really Catholics. My ex-wife and her family are the same way. They lie to themselves, because it’s the only way to deal with the internal guilt.
Even my 94 year old mother in law and my 89 year old mother voted for him! And believe me, they are in church all of the time...makes me shake my head in wonder!