I think the (sometimes justified) fear is that an older programmer may have stopped learning X years prior, and gotten stuck in old practices. It's probably rea

I think the (sometimes justified) fear is that an older programmer may have stopped learning X years prior, and gotten stuck in old practices. It's probably really easy to fall into a groove and say "it worked back then, and it still does". This attitude may be detrimental in a workplace that strives to innovate and wishes to test new technologies.