Given this blog post I have no idea if it even works well for English. Sure, the demo video contains sensible recommendations but what gives? Most of those I've

Given this blog post I have no idea if it even works well for English. Sure, the demo video contains sensible recommendations but what gives? Most of those I've seen seem to be included in the training data shown in the image below. If you have the term "AI" in your blog's blurb readers might expect the author to actually perform an evaluation of stuff they write ads about.