Math peers through a microscope and smiles at all the Earth languages. So cute.

Math isn't a language, of course. What we oft refer to as "standard notation" is, but it is as earthy as all the others.

> of course

It's reasonable to disagree, but let's not pretend that some alternative is the obvious choice.

The laws of physics as a program and math as its language is just as good as any other framing. And its a short logical hop to expect that more than one civilization would discover that language.