Very similar to Gordon Ramsey being very nice and gentle to kid chefs, but very demanding to "professional" chefs.
As professional as reality TV allows
If you stop to think about it for a minute, it's impossible that one of the most creative, complicated, and successful projects in the planet could be controlled by a simple asshole or troll. There has to be enough good stuff within that leader to overcome the negativity and create the positive result we all rely on every day.
As another comment alludes, we end up perceiving the stereotypes in others. Anyone who reads his writing closely should see that his answers are almost always pragmatic and from a "nothing but the best for my baby" perspective, even if they are somewhat abrasive.
Great, so how has the developer evolved? Do they still contribute or have they moved on?