'Despite English being the lingua franca of science, getting an excellent level of English is a privilege of few, restricted to high-income countries or those who can pay for intense language training in Global South countries. Yet, most of the hiring calls from Global North research institutes urging inclusion conflate being a good scientist with being good (or excellent) at English. This isn’t true'

https://www.scientificamerican.com/article/english-may-be-sciences-native-language-but-its-not-native-to-all-scientists/