I'll second that!

Vito, in spite of having seen first hand what a gangster who used violence--including murder-- did to his father, brother, mother and he was even more delusional we're not murderers

I don't recall his limits, and sometimes a sense of balance and fairness.
from what I remember, it was always sign or blow their brains all over

And, no, a "good father"
1. doesn't discard his sweet and hapless son because he was not cut out for his criminal enterprise
2. doesn't throw his "never wanted this for you." son under his criminal goals bus

I reckon, the Great Mafia King neglected his blood family, leaving all sorts of needless problems behind for Michael