Why are startup failures so bad for the founders? I haven't heard that before.
Oh, and if your investors fire you "for performance" (if the thing in a tail spin, getting fired almost doesn't matter and might make your life better) you might as well kill self. No one is going to touch a fired founder with a 10-foot pole. Even regular jobs are out of the question, much less the EIR sinecures and executive injections that acqui-failed founders usually get.