Ndapota rondedzerai muchidimbu nharo dzaSinclair mundima ino dzokuti nei upenyu hurefu husingazoiti kuti pave nokuwandisa kwevanhu.
Context:Imwe ongororo yeBoston Magazine yakadana Sinclair kuti "mumwe wevanhu vane nharo zvikuru mune zvesayenzi" uye yakati vakawanda munzanga yesayenzi vakanga vasina chokwadi nezvezvaakataura nezvokurarama kwenguva refu kwevanhu. Purofesa webiology weYunivhesiti yeAlabama Steven N. Austad akati, "David ishamwari yakanaka, asi ndinofunga kuti ane mhaka yokutaura zvinhu zvisina kufanira". Achinyora muArchives of Gerontology and Geriatrics, Charles Brenner akapfupikisa kuti Lifespan "yava manyuko ane pesvedzero enhau dzisina kururama pamusoro pokurarama kwenguva refu, ichibatanidza kutaura kusina kururama pamusoro pemagene okugara kwenguva refu anochengetwa pakati pembiriso navanhu, kuvapo kwezvinonzi zvinonyandura aya magene, uye kutaura kunobudirira kuchinjwa kwezera mumakonzo kwakavakirwa pakurongazve rutivi". Mukubvunzurudzwa muna 2019, Sinclair akaramba pfungwa yekuti hupenyu hwakareba hunogona kutungamira mukuwandisa kwevanhu. "Kukura kwevanhu kuchaderera mumakumi emakore mashomanana anotevera, uye vanhu vane utano hwakanaka vari kuva nevana vashoma", akadaro Sinclair. "Nhamba yevagari vepasi rose iri kutogadzikana, uye munyika dzakawanda dzakasimukira iri kuderera, saka kutya kwevanhu kuti nyika ichazadzwa nevanhu vakwegura vasina kusimba kwakaipa chose chose".
Zvichienderana nendima iyi, Sinclair haana hanya nengozi yokuwandisa kwevanhu kunyange kana upenyu hwomunhu hukawedzera. Pfungwa yake ndeyokuti vanhu vane utano hwakanaka vari kuva nevana vashoma uye nokudaro nhamba yavanhu iri kuderera munyika dzakawanda dzakabudirira.