So instead of having bigger group limits, make different groups able to link together and see each other's chat.
Also the second/third group will have:
-- Different customizable colours on the HUD
-- Customizable colours for chat

eg.

(Group 1) [Azek D-1] <Estrian Prosis> Hai
(Group 2) [Sedina D-14] <ARF_01> Poo.

You have to link the group using /group link "name of another group's leader"
When both Leaders type this command with corresponding names, the link is then established.

This wouldn't really be necessary if the group size limit was increased. :/

Nope, but it would be handy for when you have multiple large groups, e.g. 40 people.

This might be a more practical way to handle large groups. A long list of players to read simply cannot be scanned quickly and becomes almost useless. This suggestion would also be a step towards allowing sub - groups to form But we would really need a way to limit / control who gets displayed and who we chat with.

A tab with a list of players in the group each with a check box to select and deselect them might be practical.

also group members and members of linked groups should also be set as freindly contacts.

Would be useful for nation wars and all kinds of other things.