Trump is not called out by his very existance.

Trump is called out as a result of his actions.

Calling out Harris at this stage will only serve to drive away voters from her, which will only benefit the Trump campaign.

You have two evils fighting for power, pick the lesser.

This situation will continue untill the US gets rid of the electors and FPTP in elections.

Only then can third parties have a real chance and you can actually vote with more granularity.