No. We are *very much* NOT “just like the goyim” even if these kids expressed themselves with a lack of derech eretz.
There may be room for improvement, but these are not “goyim”.
While I am not denying this seems like a chilul Hashem, which is deplorable, the general secular culture is falling hard and fast, and this affects everyone.
We have lost a massive amount of gedolim in the past few years, and, as we know from VaYetzei, the departure of a tzaddik from a place makes an appreciable difference.
Again, I am not claiming this is justified, but it’s not difficult to understand how it could have happened.
May we all merit the true geula BB”A.