Andyross Captcha tests that require users to duplicate distorted text, solve puzzles, or click on grids of images to prove they aren't malicious bots have drawn scorn for years. Studies have long since shown that bots easily overcome them. Even the simple checkbox tests aren't much better. Recent investigations suggest that Google and other companies use them to track and collect user data. https://www.techspot.com/news/106717-google-recaptcha-not-only-useless-also-basically-spyware.html
GrumpyCanadian Andyross Of course! What else would they be for? Google et al aren't offering these because they're generous (or even useful).