Oh boy, I'll bite. As you're probably well aware, several words in the english language have more than a single authoritative meaning. The version of 'can' the

Oh boy, I'll bite. As you're probably well aware, several words in the english language have more than a single authoritative meaning. The version of 'can' they were probably using is: "Used to indicate possession of a specified capability or skill". If the others do not currently possess that ability, then they cannot.