Earlier quoted context omitted.
These updates have a very nebulous definition of harassment. According to the new CoC, almost anything can be considered harassment. As far as the "intent and impact" of the intentions, assuming that someone acts in bad faith is a good way to turn a misunderstanding into actual hatred. Such a result should be considered worse than having to deal with a few bad apples who try to take advantage.
They're meant to further empower accusers and reduce burden of proof and remove the need for critical thinking, empathy, and nuance. Accusations equal guilt.
It's quite common to have someone express a personal opinion that they themselves don't interpret as harassment (e.g. because they don't belong to the group they're talking about, they see no issue with the way they talk or maybe they might be upset) only to be incredibly surprised and defensive when someone later calls them out.