Look, people are multifaceted. You can still be a pile of shit AND dislike Trump. Hitler thought dogs were great. It doesn’t mean you agree with anything else going on.
Technically, he did claim illness to try to get out of serving his country (the Austro-Hungarian empire) and he did fail his physical. Later, when WWI broke out, he was allowed to volunteer for the Bavarian army (not his country at the time) and did see combat.