Some people know that among other things I run a Ukrainian SEO community with approximately 5000 members in Telegram. The project was stagnating a bit, also, because it is open-source and non-profit, I only do it in my "free" time. And I decided to tweak it all a bit, transform and give a new life. So I downloaded all the posts to create a skill for anyone to be able to write in the style of SEO Baza.
Such a long intro for a simple finding: it appeared that SEO Baza was already heavily in the training data!!! Wow! Isn't it amazing?
So when I created the skill and started testing it, it performed worse with skill compared to no skill. And here's what Claude also told me