We get how this works. You say you don't condone his wretched behaviour, but keep writing these "aphorisms" and sound bites which imply that "you can't do much about it". The bad parts will flourish if you let them.
The fundamental point remains: do your damn best to be decent to other humans; don't make excuses.
The fundamental point remains: do your damn best to be decent to other humans; don't make excuses.