It's not far from that, in terms of the original purpose.

Esperanto is very easy to learn, compared to a natural language. English is the right one to compare with, since that became the international lingua franca esperanto wanted to be.

There are even some studies suggesting that the quickest way to teach english is to teach esperanto first, and the language learning skills acquired shorten the path to fluency enough to be worth it.

I think 10X is true in certain situations, but displacing incumbents can be more about path dependence than degrees of improvement.