I think it's great the funds going to Nostr. I also think his beard and septum piercing are kinda cool (I have one but haven't worn it in ages).
If you can say that centralised social media and the censorship/control agenda are evil (duh) then he is just making amends for being part of the downward spiral to the media manipulation matrix of today. Good on him for giving back after taking away.
I can accept that maybe he was only dimly but increasingly aware of the outside influence on his company but the dude more than likely had bogus ideas amongst it all from those times anyhow.
Twitter was originally a way to turn SMS into a broadcast system using the at the time new sms gateway servers. That was Jack. The rest, well, the more popular it became the more the enemy infiltrated, coerced and threatened.