Samsung OneUI is very feature rich but the feature it lacks, hurts too much. eg1. It doesn't allow to lock and encrypt apps outside secure folder. Although secure folder is great but what's the point if I can't lock at least messaging app, contacts, ...
You are right but there are specific scenario like multiple people have hand over your phone or handling multiple accounts of some banks require separate apps etc. Secure folder was very helpful in such cases.
The very basic feature that should be pesent in all Samsung phones depsite the price tag, is not present even in its premium phones which costs 15-20 times more than those other brands which have biometric lock n encryption even in their entry level ...
It was working earlier means it can work now, ofcourse if Samsung wants, which they shud otherwise what will we be using secure folder for? Above all, Samsung don't allow to lock apps outside secure folder n that make it even worse.