If those kind of machines will be made, they will definitely be used as weapon first, because they will be invented by military scientists. We all know (or at least understand), that military technologies developed faster, than civil. (Although, depends on country of course.)
So, it is quite enought to imagine thees machines usage consequences to understand, that they hardly will ever be released to public, because of their smartness.

OMON landing party burned down the field of weed. After that, they proclaimed themselves a division, and went to space to fight against pokemons.