I think, unfortunately, melee is still not very popular.
I was thinking of some ideas why melee could still be a nice idea:
- diversity (more fun to need to use different weapons against aliens).
For example some aliens might have a good armour against bullets, but against slicing weapons they
might bleed more or something...
- There may be rescue missions where a captured guy can only use melee weapons.
From the outside, his friends shoot at aliens, but on the inside he can manage to sneak and
hit aliens
I am also thinking of some added advantages, like feats that one could pick or otherweise
train. This could make melee weapons deadly (i.e. because the feats raise the damage these
weapons can do), and might lower the required TU
Last but not least, there could be something like a monofilament whip.
Short range, but more than with knife, a bit difficult to hit the target, but if the target is hit,
it will deal enormous damage, i.e. cut away limbs.