Discussing Evolutionary Theories that Explain Aging

Of course it brings benefits.You cannot have long term persistent memory without aging. The way to avoid aging, is for tissue to be continuously renewed. And continuous renewal also implies a continuous erasing of memories.

Physically implemented memory requires some sort of structural rigidity. Avoiding aging requires a great deal of plasticity. It's hard to combine both. Biological system do use both, but in different components. The aging shows up most where there is rigidity.Maybe there's a way of having both, but biology has not invented it yet. Evolution works with what's there, rather than with an imagined ideal.In terms of a society, the older members of a community provide a degree of cultural memory, often in the form of traditions and folklore. That the older member eventually die, allows the culture to evolve to better fit changing conditions.I'm just describing what I see as what would have affected evolution.