Stephen Berman <stephen.berman@gmx.net> writes:

> There was some discussion related to this in bug#1779,
> e.g. https://debbugs.gnu.org/cgi/bugreport.cgi?bug=1779#79:

Thanks for the reference.

It's clear to me that tabulated-list-mode is not suitable to Dired
buffers but I failed to understand why it's also not suitable for
proced...

By the way, there's no need to play with text-scale-adjust to see
alignment problems in proced buffer: