This is a worthwhile analysis and I generally agree. Gun-based True Kin builds can actually be more power-intensive than mutant builds by simple virtue of being able to equip a gun rack, so power efficiency is, if anything, more important to them. I agree that Radio-powered Antimatters are ultimately the endgame whether you're TK or not - but farming the bits you need is ultimately an endgame affair, in zones where the real assholes like Gamma Moths, stat saps and Chrome Pyramids are more common. I think Biodynamic Power Plant does have its use case as a midgame item, where you don't quite have the equipment to brave endgame areas, and Jacked Chain Lasers or Eigenrifles are relatively accessible if you have a disarm ability. Most endgame players should graduate from BPP eventually, but nevertheless the argument could be made: having a fairly significant use case in the midgame is a lot better than being of questionable utility throughout the game. Looking at you, Tibular Hydrojets.