This is the first that I have heard of this when it comes to a captcha site. Which of the sites did you make use of in the past? Most of the captchas sites that I have seen are very reliable in terms of their payment and If you have any concerns their admin are very prompt in contacting you as well, however their earning rate is low. So agree with you that it is a waste of time, however the payments always happen.Earning money typing catcha is really a big waste of time. Have tried many sites like this before and I never got paid. Some would even ask you to refer some specific amount of people before you can b paid