Earlier quoted context omitted.
I get the convenience part but the waste reduction itself is already worth the switch. Yeah your shaving cartridge or flaking teflon pan might be a drop in the ocean (perhaps literally) but when there are billions of humans around we should think about what inconvenience does it worth to keep our environment lovable.
People don't seem to be aware of this, but most of the dulling of disposable razors are due to it staying wet. If you dry your disposable razor after use, shaking out the water then drying it on a towel, it can last much much longer. Going down to shaving 2-3 times a week due to WFH, I think I made one disposable razor last about a year. If this pattern keeps up, this pack of razors I bought from Costco is going to l…
I would add accumulation of crap between the blades being the rest of the story.
A small blast of air gets that crap out and leaves the shavings path clear for next time.