Enemy Territory and RTCW have so many good little tweaks/features that there's no reason you should steal them. There's too many to list.
One example of something that should be stolen is when in ET you get team killed by someone you get the option to file a complaint against them. Getting a complaint filed against them causes them to lose experience and if they get too many complaints they get auto-kicked from the server.
I know there isn't going to be experience in T3 but that doesn't mean that it couldn't still be used. Instead of losing experience people could lose point even though most people don't care about that kind of thing it would help act as a deterrent for people who do.
If you can think of anything else T3 should steal from ET list it here .
One example of something that should be stolen is when in ET you get team killed by someone you get the option to file a complaint against them. Getting a complaint filed against them causes them to lose experience and if they get too many complaints they get auto-kicked from the server.
I know there isn't going to be experience in T3 but that doesn't mean that it couldn't still be used. Instead of losing experience people could lose point even though most people don't care about that kind of thing it would help act as a deterrent for people who do.
If you can think of anything else T3 should steal from ET list it here .