Whenever a company releases a report like this it should be treated as marketing copy. I'm sure it's "true" in the sense that the data matches the report, but the relevant metrics and methodology was chosen such that the result reflects well on Facebook - otherwise this would not have been released.
The first sentence of the overview gives away the game:
> Transparency is an important part of everything we do at Facebook.
This is a marketing statement, not a statement of fact.
> This is a marketing statement, not a statement of fact.
Precisely.
It's also the reason that all those cookie banners titled "We care about your privacy" - followed by 20 different dark patterns, defaulting to ON, and (il)"Legitimate purposes" - make me irate, and make me groan quite audibly.
The first sentence of the overview gives away the game:
> Transparency is an important part of everything we do at Facebook.
This is a marketing statement, not a statement of fact.