For me it sounds like blasphemy. I graduated in '93, and Cobain managed to hit on a very specific and prevalent feeling with this song and others.
IMO it was not yet settled whether or not everyone's (or no one's) feelings should or would matter, and Kurt was putting a point on it.
Here's some contemporary comedy on the matter:
To me, to hear Smells Like Teen Spirit uplifting and sanitized feels like erasing history. But it's all about context.