They're hardly given a chance to do so when all they're getting is tickets to turn design X or API spec Y into code with no allowance given to make it better. Yes, that's not the workflow in all orgs, but there's a lot of organisations where most people aren't expected or allowed to be creative until they're far up the foodchain. And those will be the first to lay off what they consider meatbag machines. Think Oracle, Accenture, IBM, etc.
With regards to your personal attacks, have a nicer day than you seem to have had until now.
