Of course. And people can and will interpret them in whatever way they want. That's totally their prerogative.
And doing so will fragment the ecosystem.
There's a few people I've seen posting longform markdown content as kind 1, and I just think, why? We have kind 30023 notes which are designed for this exact purpose. And they're widely supported and work really well.
It's up to them tho.
That's the beauty of an opensource protocol. The consensus will win out eventually.