I generally like most of his stuff, but definitely agree. The last one I watched was about rain repellents like rainx. I'd expect to test longevity over time,

I generally like most of his stuff, but definitely agree. The last one I watched was about rain repellents like rainx. I'd expect to test longevity over time, under sunlight, maybe simulating rainy days. Instead the tests had various harsh chemicals applied in succession, and a sponge friction test for some reason.