Just because Ja Morant flashed guns on camera while listening to NBA Youngboy and rap music doesn't make it hip hop's fault ... so says Maino, who tells TMZ Sports the blame for Morant's woes is entirely on the Grizzlies superstar -- and no one else.
We got the "All the Above" rapper out in L.A. this week days after Morant was seen yet again on a social media live stream waving around a firearm ... and he told us straight up, Morant needs to get his act together quickly.