Also, as a number of people have publicly pointed out, knuckling under to a bully just encourages them to bully  you further.  I'm told that all of the institutions that have caved in to Trump's demands have faced additional, more intrusive demands.
And if Fenway health's focus is to provide health care for LGBTQ+ people, then Trump & Co. are aiming to shut them down entirely.  Does anyone seriously believe that they won't cut off all federal support?  It seems to me that now is the time to start preparing to do without any federal funding.  Which, I assume, is where they were when they first started.