In my eyes, it's just asshole companies that want to track everything you do. And if their captcha, cookie or whatever fails, you are no longer useful to them and you go on a Loop-the-Loop. You can basically sit there till the end of time, or until Google, Microsoft and their partners have had enough, and you are prompted with a "Suspicious Activity Detected". I had the same problem (for example) around midnight, and tried again in the morning and it was suddenly back to normal.
Here's some interesting reading about the same/similar problem.
The issue is old but people are still commenting: