The Anti-UN would have to have bases, fleets and fixed sturctures just like the UN. You can't fight an entire war with offensive weapons only. Plus, the only tactics we have seen from them involve a wolfpack of SV-51's. There have probably been much larger, non hit-and-run engagements using more conventional (non-overtech) weapons and tactics.
I definately agree on that.
Also, you must remember that destroids aren't only for combat. Look at the Spartan. That thing barely has any attack ability, but it has arms for lifting heavy objects. I'd assume the Anti-UN would look into such a design if it gained the funds to do so.
Well I don't know about that... The Spartan is loaded with guns in it's central chest and has two missile racks on each shoulder.
...and a billy club.
And yet almost every time the pilots fight in them, they clotheslined the Zentran