I think there's something different about just being able to watch a master perform their craft vs a "masterclass". I pick up all these little details and routines that might be second nature to them and so they might not even think about bringing up in a "class" mindset or setting.
One of the clearest examples for me of this: when he's making hollandaise, he uses the water in the double boiler to also poach his eggs. It had never even occurred to me to do this, but it makes perfect sense, and I feel dumb for never thinking of it before.
I think there's something different about just being able to watch a master perform their craft vs a "masterclass". I pick up all these little details and routines that might be second nature to them and so they might not even think about bringing up in a "class" mindset or setting.