A lot of good points were made. I'll add one I think was missed (and I'll avoid the title "engineer"): A top developer knows that the stack does not matter to

A lot of good points were made. I'll add one I think was missed (and I'll avoid the title "engineer"): A top developer knows that the stack does not matter to the user. The stack provides interest or a familiar or economical grounds to said developer but the user - they couldn't care less.