no it doesn't, and I am very aware that if anything runs on someone's computer then it can get replicated.
but it gets slightly harder, also to reverse-engineer it or find potential fallacies.
as well as source maps on prod are just a waste of bandwidth
if we're talking about a personal website nobody will care. if you are a multibillion company and there's the risk that literally anyone can create a 1:1 clone of your services... yeah that's a bit of a trouble
I would use an hex clock! do it!