“Catholic” leaders who deny Hell are manifest heretics...and therefore, not Catholic leaders.
The following link makes a valiant effort to deny the manifest heretic part of things
https://romalocutaest.com/2017/03/07/does-amoris-laetitia-297-deny-hell/
but even if successful, that does not make them leaders. Any sheep with a half an ounce of sense is going to be fairly skittish.