I used to believe this too, but I've worked in multiple organizations now where there was no shame associated with assessing who or what factors contributed to

I used to believe this too, but I've worked in multiple organizations now where there was no shame associated with assessing who or what factors contributed to project failures. The primary desire was to understand them accurately to mitigate those same failures in the future. Ultimately it comes down to the organization's culture and whether failures are punished or accepted as a necessary side-effect of doing ambitious work.