Assuming this isn't sarcasm, this is how the word prestige is defined - "denoting something that arouses widespread respect or admiration".

Facebook lied to ad buyers (customers) about video views

https://www.theverge.com/2018/10/17/17989712/facebook-inaccu...

Facebook lied to users about their spying app

https://www.forbes.com/sites/zakdoffman/2019/03/02/facebook-...

Facebook lied to regulators about its ability to combine user data

https://www.theverge.com/2019/2/7/18215143/facebook-whatsapp...

Facebook lied to journalists about the CA issue

https://www.vice.com/en_in/article/qv777x/facebook-lied-to-j...

They don't mind doing mood manipulation experiments

https://www.theatlantic.com/technology/archive/2014/06/every...

They have absolutely no qualms stooping low enough to steal money from kids

https://www.consumerreports.org/privacy/facebook-friendly-fr...

Based on the definition above, there is only one prestigious job left at Facebook. Whistle-blower.