[josephcsible]

If the CAPTCHA provider deems you unworthy to proceed, the fadeout delay after each action will get excessively long, and the number of CAPTCHAs you have to complete will just keep increasing without bound, until you give up.

[RockRobotRock]

They add so much noise to the picture, too. It can take over a minute to solve a single captcha. The funny thing is that by doing this, they're punishing the poor offshore workers I hired to solve captchas for me in the first place.

[SapporoChris]

I have experienced this. On VPN I have to select specific countries in order to get through CAPTCHAs. Some countries no issue, some countries it's CAPTCHA after CAPTCHA until I give up.