As you may have seen in the news today, Trump's media team has set up their own social network "Truth Social".
What they aren't admitting is it's actually just a Mastodon instance with all the Mastodon branding removed, including all of the messages acknowledging that it is FOSS, as required by the software's free open source licence. This is breaking the terms of the licence, and is essentially stealing the software from the volunteer community which made it.
This kind of behaviour cannot be accepted by anyone who believes in FOSS. Keeping to the requirements of a FOSS licence is fundamental to building software together. If powerful people get away with stealing FOSS, people may be reluctant to build FOSS in the first place.
Hopefully someone will take legal action, but in the meantime we can block these instances in case they try to federate: