IMO min maxing everything is sometimes not great either. I just don't shave every day, maybe every few days but no longer since it gets too long, and it seems like the blades last for a very long time (over a month at least). I can't remember when I bought the $30 pack of a bunch of cartriges but its been sitting in my bathroom seemingly forever.
Then there is the actual using of the thing. Go ahead and shave with one of those box cutter razors. The first couple of times your sink will look like bloody murder and even after that you need to be careful. I don't want to think about technique. I barely heed grain. With a cartrige I can even use just hot water in a pinch and mash the thing against my face and get an OK shave in not very long. I'm paying extra sure, a dozen dollars a year I guess, but I get the convenience of speed and being able to have the sloppiest shaving technique imaginable and not walk out with a dozen globs of tp fused to my bleeding face.
Exactly this. The Wilkinson Sword Hydro 5 blades I use last so long that I only spend around $8 per year for the blades, and I don’t need to be particularly awake when shaving. The plastic waste is rather negligible compared to all the other plastic crap that e.g. food comes in.
Then there is the actual using of the thing. Go ahead and shave with one of those box cutter razors. The first couple of times your sink will look like bloody murder and even after that you need to be careful. I don't want to think about technique. I barely heed grain. With a cartrige I can even use just hot water in a pinch and mash the thing against my face and get an OK shave in not very long. I'm paying extra sure, a dozen dollars a year I guess, but I get the convenience of speed and being able to have the sloppiest shaving technique imaginable and not walk out with a dozen globs of tp fused to my bleeding face.