I'm in the US, and had the same experience. I got the you can't use an adblocker message, but was able to close and/or reload the page to watch videos without

I'm in the US, and had the same experience. I got the you can't use an adblocker message, but was able to close and/or reload the page to watch videos without ads. After a week or so it stopped popping up. US, Firefox, uBlockOrgin.