Who understands the logic of Christians/Catholics that don't want to communicate with people who lust, etc. yet are excited to talk to Trump?

I GET IT if the Christians/Catholics ONLY support his policies and vote for him but don't want to talk to Trump and go to his rallies but if you feel so strongly about people who lust, have pre marital sex, etc. that you don't want to communicate with them, etc. than it is weird you are excited to go to a Trump rally and shake his hand, etc. I have an ex Christian friend who ended the friendship cause I lust, have premartial sex, etc. YET is EXCITED about going to a Trump rally and to shake Trump's hand.

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@slatyb what do you think?
Who understands the logic of Christians/Catholics that don't want to communicate with people who lust, etc. yet are excited to talk to Trump?
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