You're right, but also stones are mostly used as an approximate unit of bodyweight in casual conversation, so people would usually say "I'm about 10 and a half stone".
If you're dealing with bodyweight where accuracy matters, like in a medical sense, it's metric anyway. Plenty of people here aren't even sure of how many pounds make up a stone, despite regularly using the latter as a measurement.
The way political cooperation, negotiation and compromise are viewed as acts of unforgivable weakness in the US sets up a climate where functional democracy appears impossible. The US seems destined to lurch from one impulse to another with half the country thinking each is a colossal mistake and an affront to their way of life.
No, I do not mean this as any kind of "both sides" argument. The fact there are only sides to determining how a society governs itself, the winners and the losers, is the point.