There's some interesting articles floating around on why razor blades dull... thought this was a good summary...
Why Do Razor Blades Get Dull So Quickly? (https://www.wired.com/story/why-do-razor-blades-dull-so-quickly/)
(If you find other/better ones, please share).
I can see the results of this, (how the metal is manufactured), making its way to knives and other tools. 8)
Clark Howard can make them last a long time. https://clark.com/family-lifestyle/how-to-make-razors-last-longer/
The RazorPit razor sharpener claims to extend life by a factor of six:
https://www.fendrihan.ca/products/razorpit-razor-blade-sharpener
Can we not just put it on a Tormek Japanese wheel to polish the blades, it seems it would do pretty much the same thing as a razor blade sharpener