Gotta be honest. I don't really like when Mike Brown slurps LBJ like that (this particular example isn't that bad, this is more of a general theme)
I don't think it will "hurt us" because Lebron knows what he's doing out there on the floor, but in terms of Lebron's development I think it's not good at all.
Lebron basically knows he can do whatever he wants on the floor with no repercussion, and he is also never critiqued or criticized in any real fashion because everyone is afraid of possibly pissing him off.
Even with Jordan, Phil Jackson wouldn't be afraid to challenge him if needed. Or with Kobe when he got into a 1 on 1 duel with LBJ Phil pulled him and sat his ass on the bench for a few mins. Mike Brown would never do that...
My point being alot of correctable flaws in Lebron's game, bad habits - are never corrected because he is never really "coached".
For Lebron to reach his absolute peak I think he would benefit from a HOF level coach who would call him out when necessary or occasionally push him to expand his game in areas he isn't as comfortable, like establishing proper position on the low block, limiting the heat checks, etc.
At the same time I don't think Mike Brown is as clueless as he seems, I think he knows what he's doing when he says this kind of stuff to the press. He knows Lebron will hear about it and bottom line Brown knows where his bread is buttered....