> "My brother has MS, and my sister is a few years from a diagnosis. It's nice to know money is being spent on dementia treatments, a disease that almost exclusively affects the elderly already near end-of-life, when that money could be going toward researching cures for diseases affecting people with much more of their lives to live."

Sounds reasonable.

> At best, there'd be an enormous amount of resources wasted on duplication of efforts.

Isn't science about reproducibility?