I studied Proto-Indo-European and fit into a similar box. It's entirely useless, day to day.

But, because it's not one of the earliest languages, and because it's a reconstruction, it is as simple as it can be.

It can make it difficult to express some ideas, like "innovation".

But it does allow you to understand the function of grammar, and the way we are limited by the words we have. If you can't express it, then though you may be able to think it, you can never truly convey it to anyone else. You can give endless analogies and stories, but no one can grasp the idea until it becomes a word that they also think.

One last analogy of the journey this opened up for me: imagine that the word 'colour' never existed.

Describe the Northern Lights.