I understand this is not a subject where details can be shared, but - I'm sorry - at this level, this sounds like marketing speak. "You can't possibly comprehend just how advanced our AI is. If it appears stupid to you then because we intentionally want to have it appear stupid..."
Yes, I know. Nothing much that can be done about that, sorry.
The point I'm trying to get across is that companies use these techniques because they are effective - it isn't as simple as "some junk that was beaten ages ago" - and the collateral damage is very small, relative to other techniques. Far fewer users run with JS disabled than the number of users who struggle with CAPTCHAs.
We can see the direction things are going with reCAPTCHA v3, which appears to be the logical end of the path Google started walking 8 years ago - reCAPTCHA v3 is nothing but risk analysis of anti-automation signals.
