Set fixed video quality? I.e. disable quality settings?

Is it possible (and useful) to disable the quality settings for a Jitsi Meet server and set all users to “low quality video”? My typical peers are not very “technical” and will not find the setting or do not want to fiddle with settings. They just want to have their conference. “Low quality” is still good enough.

TIA!

I’m also interested in being able to change the default from highest to a lower one in the config file.

But I don’t need to disable it completely, just have users start with a lower one which is fine for most conferences.