I disagree that this would be a bug. It's a design flaw that cannot be corrected by fixing bugs.
It's analogous to security flaws. If there is a flaw in the design, no amount of bug fixing will make the system secure, unless that 'bug fixing' changes the design.
It's analogous to security flaws. If there is a flaw in the design, no amount of bug fixing will make the system secure, unless that 'bug fixing' changes the design.