It‘s a shame I had to scroll down so far to see the second half of your explanation. The point about production is why trying to outlaw alcohol is so much more insane than trying to outlaw any other drug. The moment an apple leaves its tree, it starts producing alcohol. There‘s a reason alcohol is ingrained in so many cultures: It gets created basically everywhere, with and without human interaction.

The Norberta reveal actually happens in Deathly Hallows. And frankly, I don‘t see a shift that is connected to the movies. What I actually observed was the overcompensation for criticism two books after the fact (remember Winky?) that Shaun described in his video essay.

Remember when Hagrid assigned his dragon the wrong gender at hatching?