Charles Barkley is making it clear -- he hates the way the Lakers are handling Bronny James' rookie season ... calling it flat-out "stupid."
The Round Mound of Rebound went in on L.A. during an appearance on "The Bettor Angle" over the weekend ... after he was asked if he liked the Lakers' G League plan for LeBron's oldest son so far.
If you've missed it, the 20-year-old has been playing home games for the South Bay Lakers .