Donovan Mitchell is 6’1.25” and listed as 6’3”. Not hard to see why Bronny would say 6’2” without shoes and round up to 6’4” with shoes. If anything, Bronny added an extra .5”.
And it isn’t a bad thing. He’s taller than Donovan Mitchell, Jalen Brunson, Darius Garland, and Trey Young.