Why do people like Luffy?

That man is a villain, A MAD MAN. Don't you know what he has done?

Assaulted the mayor of a peaceful village
Harassed a local noblewoman in the sticks
Nearly destroyed a local ocean going restaurant in the East Blue
Assaults multiple navy officers
Destroyed a historic landmark
Attacked a king and supported a revolution against him
Helped with the assassination of another mayor after depositing millions in stolen gold
Destroyed a judicial island of peace and fair trials
Attacked a Celestial Dragon for no reason then bloodthirst
Broke into and destroyed the worlds greatest prison
Injured thousands in a brutal war by siding with the monster known as Whitebeard
Destroyed the kingdom of Dressrosa and attempted to kidnap the Princess of the Riku dynasty
Proceeded to attempt to destabilize the New World by killing Big Mom
Kidnapped and killed the beloved Genius 'Doctor Vegapunk'

How could you like such an evil monster with eyes like the Devil and a wish to destroy the world?