Twitter was not some sort of rest and vest retirement scheme — he worked as a design director there for years. You should read his followup thread for more context. You should also be aware that you can't just fire someone because of their disability getting worse.

It's also worth noting that the design studio he founded, Ueno, was one of the dynamic, talented and in-demand agencies in the world pre-acquisition.

https://twitter.com/iamharaldur/status/1633082707835080705?s...