It's paywalled for me after the title and photo, from the other replies it looks like these questions were addressed in the full article.
Clicking 'read full article' worked without issue or payment
It shows the title and an image for a split second then a non skippable register prompt pops up over the article.
> non skippable register prompt
Trivial to skip, had you bothered to look into it, or understand how it works. Why even reply if you hadn't read TFA? What value does that have? The very definition of 'off topic'