It’s a band-aid. Just let Google slowly die, it’s already time when you should pull the plug – the patient is brain-dead for several years and there is no hope.
Use DuckDuckGo it’s a lot better with relevant search results and privacy friendly.
At least for humans. It's fairly easy to write a script with current technology even for an average "hacker" to solve them. But on the other hand it's extremely hard, nearly impossible for a person with special needs to complete them. Even for average person solving some of CAPTCHAs is a hassle.
Most of the popular CAPTCHAs services are "robot-friendly" and providers don't care who solves them, they just need data, they don't need to prove you're human.