Is the english language under threat? is it the other way around?

Linguistic diversity and multiligualism

VS

“Approximately 375 million people speak English as their first language.”

“Estimates that include second language speakers vary greatly from 470 million to over a billion depending on how literacy or mastery is defined and measured. Linguistics professor David Crystal calculates that non-native speakers now outnumber native speakers by a ratio of 3 to 1.”