> English isn't even in top 4 of world spoken languages

By what measurement? Wikipedia gives Mandarin > Spanish > English > Hindi for native speakers[0] and English > Mandarin > Hindi > Spanish for all speakers.[1]

[0] https://en.wikipedia.org/wiki/List_of_languages_by_number_of...

[1] https://en.wikipedia.org/wiki/List_of_languages_by_total_num...