Is it possible for an admin to make this pop up for a player with something like
/SI <steamID or Name>
or from RCON with
SI <steamID or Name>

Also possibly add a command to make it so that an admin can type something like
/SI all
and the server info pop up on everyones screen.

I help run/admin a number of PVE servers and we use this addon for posting server rules in which people commonly dont read and we would love to pop this up in rule breakers faces rather then having to kick or ban people to stop them from what they are doing.

https://umod.org/plugins/game-tip-announcements#documentation

Maybe that might do the trick until the plugin author replies?

@ElDubyaOZ Thanks for the suggestion but sadly with tool tips being small or many players having tool tips disabled this may not work.