So should pretty much every criminal.
I mean the definition of a mental health issue is you don’t act like most people pretty much (This is part of why stuff like homosexuality being in the DSM was a thing). So most of not all criminals have some form of mental illness because they break the law.
It’s a fascinating discussion and I don’t pretend it’s settled but that doesn’t mean I can’t have a view. Another is poverty, if you’re raised in poverty the chances of you committing crime go way up, so should we be lenient to poorer people? Or people raised poorly? Where does nature and nurture end and personal responsibility begin?
Personally I’m for crimes being crimes but also all sentences coming with a package of help for whatever the major issues are (drugs, illiteracy, MH, lack of employability, etc)