They can aid as much money and military package as they want. Without manpower they can do nothing, expect getting Ukrainian rich. The missing Ukrainian are in Germany.
It seems that K2 has a lower RCS than Shahed-136 with a smaller fuselage, which is more difficult to hit. This could make this more successful than Shahed-136. And who knows, maybe Baykar put some nice features into it, to make it more worth.
I mean cheap to produce en masse for us. In all military confrontation we can see that quantity has same value as quality. To produce in big numbers, we need money. Money we generate by exports.
Israel vs Iran is the comparison quantity vs quality.