>>There is nothing unfortunate it became default, there is simply no better lingua franca today. We could try Japanese or Chinese, Hindi or Spanish, but they all have way more quirks and way less qualities !

All of this is secondary, the real deal is more knowledge, especially useful knowledge is generated, and has been generated in the English language for a while now.

If you want access to the knowledge ecosystem of the world, want to learn skills, trade, want jobs, want to do business you have to learn english.

The other cultures just never caught on with this one simple thing. You have to make rationality, scientific temper and coherence the very foundational basis for your society. And then you need run these processes for long. Decades to centuries for your language to now become the carrier of knowledge. Until then other arguments are irrelevant.