I actually don't think this was an unfair phrasing. I had actually felt insulted when `go generate` was announced. "You're sweeping [generics et al] under the rug using comment-bound directives and telling me it's an elegant solution to problems? Do you think I'm an idiot?" Was, in fact, very close to what went on in my head when I read that initial post/slideshow.
I don't like to be degrading when it comes to differing opinions on coding practices - if generated code and comment-bound directives are good for you, well, okay - but being told that I should like it and stop questioning? That's insulting.
I think the deeper complaint that's coming through is not that the Go team are bad language designers who don't care about the developer experience, but that they are condescending towards the community. Even if you really, really don't mean to be.