He certainly tried, right up to the point of their plotting to kill him.
What is death, when the Power that intercedes for you is God Himself?
I’m quite certain He would NOT let evil-doers in His Kingdom just because they paid the Church, so it was righteous to be anti-indulgences. The whole idea is a corruption. THAT battle of Luther’s was worthy of sainthood.
Anyway, I believe God plays the LONG game. Perhaps we Catholics need this Pope to remind us who we are not (Modernist New Agers).