Our merchant M might have hundreds or thousands different customers daily. So he has to produce and transmit hundreds, thousands special addresses to his customers.... Even with perfectly integrated QR-Codes this is not just fun.
Oh noes! We can't just use one invoice for everyone, but we have to make one special for each order. The horror...
Seriously, can you guys stop feeding this troll? He has absolutely zero understanding of how bitcoin actually works, so he made up a bunch of nonsense in his head, and now he whines on the forums that his imaginary version doesn't work right.
For example...
In normal life we register the bank accounts of all our customers/merchants just once in our accounting system.
Bank accounts of merchants are printed on each letter/invoice.
With current BTC you have to change thousands of these entries ("addresses") daily.
Even for the same customer buying several things in different contracts.
Result is an error-prone MESS with daily thousand probabilities of errors.
Imagine that a customer/merchant might use in any case the wrong address.
How can that be repaired?
This is so full of fail that I'm not sure where to even start. I guess I could say that addresses don't delete themselves once used, but I think my words would fall on (willfully) deaf ears.