Why we don't have a Facebook account

Unethical behaviour

It's not just the Cambridge Analytica scandal and its disturbing implications for democracy, Google, Facebook and a few other tech giants have been appropriating users’ behavioural data, sometimes even when users had explicitly denied permission, for many years,
Many Android applications for example send data records to Facebook. The user is not aware of it since the application has not requested to share information, it is done automatically.
This is intolerable.

More information?
What is Surveillance Capitalism?
Guardian article on Surveillance Capitalism
How to stop haemorrhaging data on Facebook