You have obviously never played Tribes2...
Tribes Vengeance is not Tribes 2 nor should it be. There are plenty of things to use and do in Tribes Vengeance without having to recreate Tribes 2. If you want to play Tribes 2, play Tribes 2.
the scripting in past tribes games was/is more powerful and easier to use when compared to the Unreal engine.
Tribes scripting is not more powerful. As for easier, it depends upon what you are used to. For the Tribes community, yes, UnrealScript would have a learning curve. Those with a history in Unreal games find UnrealScript easier to use.
The fact of the matter is that T:V is not MOD friendly at all. Thus, I stand by my previous statement.
Nor do I dispute it as I stated the same thing (in more detail no less).
"Server side maps" meaning there is nothing for the client to download at all. Do you understand what that means?
Yes, it means that the map is already located on the client as the maps which come with the game are. You can't have sophisticated maps with unique textures and structures without getting that content to the clients. Whether the server pushes it to the client or the client downloads it before joining is irrelevant to the fact that the client must have the content to display it. Any Unreal engine map which doesn't have any unique content is relatively tiny and can be pushed or redirected to a client quite quickly.
It shouldn't be up to any community to tweak/fix the fucking game
Tweaking is not fixing. For example, all players may not agree on how powerful a particular weapon should be, but that doesn't mean the weapon is broken.