No, but signing up for an account and agreeing to the Terms of Service does. The not-logged-into homepage is 1.3mb. Still not tiny, but definitely not the same as the web app.
From the Wikipedia definition[1] of informed consent (in medicine):
> An informed consent can be said to have been given based upon a clear appreciation and understanding of the facts, implications, and consequences of an action. Adequate informed consent is rooted in respecting a person's dignity. To give informed consent, the individual concerned must have adequate reasoning faculties and be in possession of all relevant facts.
What tech companies do is obtain the minimum legally required consent - and sometimes not even that. This may be legal, but it’s far from ethical.
Claiming the average person is able to understand scope of that document— and the likely 1000s of internal documents related to it, and the 100s of thousand pages of related legal code and case law is a stretch.
Document also does not disclose Facebook is subject to secret court orders, gag orders, etc.
— and that doesn’t even begin to cover the knowledge required to understand the related technology and the impact it might have on the users.