That’s a feature supporters of imperial thinks it has. Even if imperial/some special third option is better for guessing, the difference has to be big enough that it’s worth the hassle of having multiple systems or converting everyone again. If it’s not worth having two systems but it is worth converting everything , then you still have to keep or prove that it’s worth losing the conveniences of metric like 1 km = 1000 m , 1 L of water weighing 1 kg , water freezing and boiling at 0 and 100 °C
If it’s what I think it is, cactus leather is more polyurethane than prickly pear. I don’t really mind there being plastic in it, like as a glue or binder, but if it’s not mostly plants it shouldn’t be marketed like it is.
The leather from the article is all mushroom but a terrible material for now.
There’s a lot more variation in fake leathers than in the real stuff, whether it’s plants or petroleum. Anecdotal and not a one to one comparison, but I’ve had (plastic) vegan boots last a bit longer than the leather ones before it. My cork wallet was also better than cheap leather.