I don’t think these things are different between the 2017 and 2023 test, so it all feels silly to argue about. Even if complex sentences are harder for people to understand, that’s no excuse for them to get worse at it.
Language evolves.
This kind of written language doesn't change very quickly. It's not TikTok.
I just feel very weird about how the article takes that sample question and sort of priming people with "oh everyone is dumb" takes, when there's an (IMO) likely reality of that question in particular having a 98% hit rate.