Users have zero patience for friction. If your checkout takes more than two...

https://seo.edu.rs/blog/predictive-recommendations-are-not-magic-why-your-phone-knows-what-you-want-11121

Users have zero patience for friction. If your checkout takes more than two taps, the cart gets abandoned. People now expect one-click ordering and real-time tracking as the baseline. If you force extra logins, users are already hitting uninstall.