Answer by tttbase for Relatively concise English expositions of the proofs of the various Weil conjectures

I would like to answer this question with a "moral" (conditional) proof.

Motive-ating the Weil conjecture proof"This post concludes a series of posts I’ve been writing on the attempt to prove the Weil Conjectures through the Standard Conjectures. (Parts 1, 2, 3, 4, 5.)" David Speyer.