Sure, but does that mean the framework shouldn't exist? Something can be flawed and still provide some value.

In the case of leveling, I'd suggest the levels are guidelines and not policy. As soon as they become policy, management cannot work around them adequately, and they begin to detract value.

For example, at my employer, we have levels (within job families, I haven't seen a level grid that has engineers and personal assistants). But, I've never had to tick every single box to get an employee promoted. I have to make my case, and I do use the levels as a guideline, but I've never felt it necessary to absolutely follow every item.