Proof of Facebook's bias from Facebook itself.
"Facebook on Tuesday released the initial report prepared by its external auditor concerning the rampant speculation about anti-conservative bias at the company. More than a year ago, however, company officials privately copped to the fact that they’d failed to properly vet the man chosen to spearhead the effort, according to sources involved in the exchange..."
https://gizmodo.com/facebook-privately-admitted-failure-in-vetting-the-auth-1837412697
I am sure they plan to do everything they can to keep Trump out of office.
Nothing they do isn't planned
How convenient! It seems more like they planned it that way to either buy time enough to sabotage the 2020 election, or be able to deflect the blame on their own incompetence to cover up the fact they never had any intention of deviating from their doctrine of left wing bias .