You could use it to indicate the fit between employees and companies;
    You could use it to detect lies and exaggerations in CVs;
    You could use it to estimate when employees are likely to be considering seeking new opportunities.

Make of that what you will

knowing LI doesn't have any NSFW content, is full of marketing content (both corporate marketing and self boasting individuals), tends to prefer positive signals (all projects succeed, etc.), is mostly done in English, and so on...

... There is clearly a market for text generation in this language bubble. Think of all the internal and external communication in your $BigCorp. That has immediate use not only in marketing, but also HR, recruitment, company policing, etc. Your next company town hall can be prepared and led (!) by this thing.