Sharp,
You give an example of Soroh Schneirer but then say you aren’t comparing it. Thats problematic as I would respond to your comparison but now cannot as you have already said its not a comparison.
I do not think there is a problem with something new specifically. The problem is when people get ‘taken’ by new ideas and concepts. When that happens it can cause problems.
And even when it happens in items that are not bad inherently, they are indicative of a nature of a people, that when a new thing hits, everyone gets excited. If a new type of limmud system hit Klal Yisroel and it spread really quickly, that would be good. If a new type of food starts becoming wildly popular, that says something else.