Note that right now there's a problem with people staying on GLP1s[0] so it's not quite clear how this could go any other way. Considering the rate of rebound from other lifestyle methods, GLP1 is among the most effective alternatives we have.

GLP1 significantly reduces the risk of many mobidities and is increasingly prescribed to older people.

Also, this is incredibly likely to resolve itself once the drugs become common place after patent expiries, the actuaries will update their tables and the curve will smoothe out.

[0]: https://glp1.guide/content/if-glp1-is-so-great-why-dont-peop...

[1]: https://glp1.guide/content/patent-expirations-for-glp1-recep...