That's the exact point. reddthat.com or lemmy.world servers can blow up into pieces and none of users living on other servers would be affected. Unlike Reddit, where a single company can decide they want to do something stupid and everyone had to obey.
For me the saying "work on your passion and you won't work a day" is very true. Why would I not experiment with crazy code in the product when I don't have time in the day. Or trying out new cryptography and see how it absolutely beats current protocols.
With that said. It's also important to have time with you family/boy/grilfriends. They are also important