If sharpening bevel angles dictate how sharp and efficient a particular blade is, same goes for cutting angles on razors. Combining wide bevel edge Derby Extra blade with Muhle R41 would result in more aggressive cutting angle attacking the whiskers, but the edge is less sharp, thus less exfoliating on the skin. In theory it should result in less razor burn with a closer shave. But if you use very sharp edge in a mild razor, the blade will do more skin scraping for the same closeness.
So the game is how to get a closer shave without over-exfoliating (manifests as razor burn).
Ideally one would have perfect technique, perfect angle kept, zero pressure, and most efficient razor and sharpest blade will do closest shaves with least passes and no razor burns. Worst case scenario one uses mild razor with wide bevel edged blade, trying to get a close shave applying pressure and buffing 20 times over the same area, resulting in terrible razor burns.
Considering my technique is neither perfect or even very good, I'm wondering if some combination of razor and blade efficiency would hit my sweet spot. I get best shaves from Fatip Grande Testina Gentile + Astra SP, but they are not very close shaves. Same blade in the Grande OC gets closer but I have areas that suffer from it if I shave daily.