Maybe it is both-sidesism but the motd you get by default on Ubuntu these days is as bad as any OS. (“Ubuntu Advantage” sounds about as good as https://prospect.org/health/2024-01-12-great-medicare-advant...)

At least the nags in Windows look like modern web-based UI (so far that ‘use Electron’ seems to be the post-Win 8 answer to ‘how to make Windows apps’) in contrast to MacOS which drove my wife crazy with nag dialogs that look like a 1999 refresh of what modal dialogs looked like on the classic Mac in 1984.