morphine kept saying "this is not an A/D server this is a tdm server"
Morphine big gEy, he wouldn't want dat anyways
you sure have a soft spot for me, little man
So, my suggestions are to disallow teaming with other teams and making map blip only visible to your own team.
as Hanney already mentioned, this is impractical and a catalyst for potential unpleasantries
how about disabling nametags? I believe I saw Sk making the suggestion a few minutes ago in-game so I'll push it forward as an official option