Jon Krakauer has responded to Anatoli Boukreev here[0], it seems as like most things in life, there is more nuance this than just hero villain dichotomy.
[0] https://medium.com/galleys/a-postscript-to-into-thin-air-e23...
[0] https://medium.com/galleys/a-postscript-to-into-thin-air-e23...
Edit: found a source to balance, https://www.wsj.com/articles/SB864852385619851000