This discussion connects to R’ Zushe-who is famous for saying-“they (bais din shel maala) won’t ask me why I wasn’t Moshe Rabbeinu, or Avraham Avinu-they’ll ask me Why I wasn’t R’ Zushe?
As far as bad things happening to tzaddikim/good people—there is a fascinating ma’amar by R’ Eliya Lopian explaining the depth of this “question of life”-and he explained that to outsiders it seems that these tzaddikim are suffering, but to them, their bitachon is so enormous that it doesn’t feel like suffering, they feel Yad Hashem in everything and feel loved by every move Hashem makes.