Should we use a ’Squatty Potty’ instead of a normal toilet?

LET’S talk crap. In the age of nude selfies and relentless self-disclosure, it seems there are no taboos, but when was the last time you had a mature conversation about your stool?
I ask because of the Squatty Potty, which is designed to make you more efficient on the toilet. At first sight this looks like a particularly troublesome attachment left over after a couple of hours of wrestling with a bed delivery from Ikea, a kind of miniature headboard-milking stool, but the idea is pretty simple.