That’s because it’s a single organisation. Just because it is made up of tens of thousands of individuals doesn’t stop it being a single entity. You (and all o

That’s because it’s a single organisation. Just because it is made up of tens of thousands of individuals doesn’t stop it being a single entity. You (and all other humans) are made up of thousands of bacteria and other specialised cells, but we don’t treat you as plural, although you are also a single entity consisting of tens of thousands of components.