given the numerous posts about age discrimination on hn, i'm delighted to hear your story and wish you many more years of happy programming. as a whipper-snapper 40-something developer, it gives me hope and motivation.
The industry is backwards. Would you rather have a 25-year-old plumber, architect, photographer, chef, or a 50-year-old one? Artists get better with age. Programming is an art. All tedious tasks get automated away. All that's left are design decisions. Making good design decisions is what people mean by "taste". Taste gets better with experience. A young person may have more physical energy, but to paraphrase Steve J…
Does wisdom count in software? Practically and generally, I'd say no. When setting hiring priorities, cost trumps wisdom in all but the most senior roles.
(BTW, at 62, I've been coding professionally for 34 years. I wish I were valued more by my employers with each passing year. But if it's so, they hide it well.)