They’re using Stripe, and they require it if you have any sort of carding attack, or other fraud attempts. They’ll disable your account otherwise. And, this isn’t just Stripe, I’ve encountered it with all payment providers I’ve implemented.
Ecommerce pretty much requires it these days, and yes, most gateways require Google’s as it’s the “industry standard” at the moment.
Many payment providers would want websites to implement CAPTCHA for blocking spam and fraud attempts.
This is why. They’re using Stripe, and they require it if you have any sort of carding attack, or other fraud attempts. They’ll disable your account otherwise. And, this isn’t just Stripe, I’ve encountered it with all payment providers I’ve implemented.
And I didn’t read your post properly. But I still think lxqt does fill that gap.