I've changed jobs twice since then, and both have been big upgrades. If your employer isn't significantly rewarding loyalty, I highly recommend at least looking to see what's out there. You aren't forced to go, but be open to new opportunities. An upgrade is likely to come.
If any of my employers had pensions or other such loyalty programs, I wouldn't have had reason to constantly seek greener pastures.
I find it interesting that this article talks about pensions, but then suggests other ideas besides pensions as ways to get loyal employees. I agree that things like sabbaticals are a good idea. I would love to have that as an option. But I would love a pension program as strong as the ones my grandparents had even more. They aren't illegal or anything now that 401ks exist. Companies are still allowed to make them. Just almost none of them do.