>> Why does who he prefer matter to the substantive issues with trumps candidacy?
Because there is an election coming — I’m sure you noticed.
Without an alternative, dynamiting the front-runner serves no good purpose.
If the front runner is a bloviating, narcissistic, statist who will only further destroy the country....dynamiting him is the duty of all freedom loving patriots.
And as the OPs post cited example after example after example of trump being a narcissistic statist, let the dynamiting commence and continue.