Not by people in the know, no. But I'd say 80% of "normal" people reading sports websites probably had no idea until now, and the only difference is that (gen)AI is suddenly a "feature" to be boasted about to customers to make shareholders happy. And suddenly all of these normal people are starting to have opinions on it.
Much like when food ingredients are slowly made worse over time, consumers can't necessarily put their finger on how and why somethinng is worse, but they tend to notice that it's worse.
I think people have noticed if not explicitly. They end up going toward platforms that have real humans on them (social media, message boards, substack) and not really understanding it's because they read a bunch of algorithmically generated noise on "traditional" published websites and moved on.
I don't think people did notice. Our view counts for sports articles were always very low, except the very high profile articles. And those ones would always be done by a copywriter and properly edited.
To be fair, I don't think it's gone unnoticed at all