I doubt most people understand or think of "Point" as a measure of length. It is just some completely arbitrary scalar that exists only due to poor UI design and so that teachers can mark off points for it not being set to "12". In many other cases, such as modern web browsers, it is being replaced with the concept of "zoom" which just uses natural numbers with "100" being arbitrarily defined as some loose concept of "default".

They would certainly never dream of using it for anything other than choosing how large they wanted their font, or possibly line.