Exactly, I think the first impression should immediately show the value of the platform. In this case it would probably be well rated videos on the default / l

Exactly, I think the first impression should immediately show the value of the platform. In this case it would probably be well rated videos on the default / least niche / most popular instance and not an instance with conspiracy videos or other "censored" content that can't live on the other platforms. Being in a pretty similar situation I think the https://joinmastodon.org https://joinmastodon.org landing page is done in a more user friendly way. They have a "Join now" link which brings you to an instance list that has the most popular ones shown right away and even gives you a way to find out which instance is the best for your language or interests.