When you are trying to save a soul, you say something until the soul is saved.Now, how many times have you said it - and how many is enough?
Do you think you're going to change anyones mind? No? Then why keep at it? I'll tell you why, it scratches some itch in your psyche to tear down a guy you don't approve of because [not]YourGuy™ can't get it done and you're probably going to have to vote for Trump (unless you go rogue)
Maybe try to find something new about Trump to complain about? Surely there is plenty of potential grist for your mill