I feel like both can be true – the motivation here is likely to both solve a real problem (aging and all that's associated with it) and to make some profit as a

I feel like both can be true – the motivation here is likely to both solve a real problem (aging and all that's associated with it) and to make some profit as a result. This is ultimately a product like any other. Like a SaaS product making any hard process easy, you wouldn't expect the solution to be wholly free. People would still have the option to take a different route (caloric restriction) to accomplish the same, but it's clear many people struggle with that.