“Citation needed”. In my experience of people older than I, the opposite is true.

> .. Wisdom is cultivated by and linked to curiosity [2], but this link has not received a large amount of attention in lifespan development research. Moreover, research on aging populations has often overlooked the role of curiosity in aging [3], despite curiosity demonstrating connections to enhancements in memory, health, wellbeing, and longevity [3,4,5]. Unfortunately, curiosity is also known to decline as individuals get older [3], and many adults cease to ask big and beautiful questions as they age [6]. ...

https://www.researchgate.net/publication/323716917_Curiosity...

Curiosity in old age: A possible key to achieving adaptive aging

It appears I live in a bubble! Thanks for the info.