You know, they weren't the one to bring it up and their point seems to have consistently been that the majority of the global population does not speak English.

Plurality of the world (25%) and a larger plurality of the internet-connected world (37%, [1]) speak English. (Granted, most of TikTok’s market now probably doesn’t speak English.)

[1] https://www.itu.int/en/ITU-D/Statistics/pages/stat/default.a...