Nlp tasks are not solved yet and without this collaboration between big corporations progress would be far slower, even for Google. For example a chinese studen

Nlp tasks are not solved yet and without this collaboration between big corporations progress would be far slower, even for Google. For example a chinese student has outperformed and obscoleted BERT (the Google best Nlp model) with XLnet. Conversely XLnet wouldn't have existed without the BERT architecture