Tutamail is apparently working on nextcloud integration, which I think also is a great option. It will hopefully give the ecosystem experience without the ecosystem buy in.

Do you mean the thumbnail? He has been using this image for over 4 years now in his videos (to show when he is talking), so it precedes the ai aesthetic.

Never really watched Steward and was only tangentially aware of him from the general internet where a lot of lefties seem to really like him. Then I encountered this skip intro video going into how he might appear to be progressive he is very much bothsiding things, and I question anything about him and his opinions a lot more.