Or show it in a minimal/headline only form.
Ideally, the app (and lemmy as a whole) would support an optional subscribe-to-spamlist feature, with crowdsourced spam/scam reporting, with some recourse for fake-spam-reports. Individual posts & usernames. Group and server admins can’t be as active as the crowd at large.
I don’t know about these days, but I remember making a custom layout for Windows back in 2005 that was US Qwerty keyboard plus AltGR+auose for äüö߀ (German umlauts and euro symbol).
I forget how I did it, as I haven’t used Windows for serious work in years.