How is untrustworthy companies implementing asset stripping and debt loading a scalable way to put already unprofitable and questionably sustainable companies o

How is untrustworthy companies implementing asset stripping and debt loading a scalable way to put already unprofitable and questionably sustainable companies on a sustainable path? That doesn't square. Taking a company private CAN indeed counter short term profiteering if done by a group that actually cares about the company but I have yet to see a PE firm provide that.