Jack Doherty's brother is showing some tough love after he wrecked his car on a Miami highway last week ... saying his Kick ban is actually a good thing, and he needs to learn his lesson.
Michael Doherty, who was trailing behind Jack in another car, weighed in on the mess during TMZ's "Verified Podcast" Wednesday ... saying his brother, who was seen on livestream texting just seconds before the crash, needed to get hit with some hard truths about not being invincible.