Both are bad.
Again and again, before both Senate and House committees, Zuckerberg pleaded ignorance about the company he created and has controlled for 14 years. Zuckerberg wasn't dodging questions about obscure corners of the company or corporate minutiae, but the most plainly fundamental aspects of Facebook's business and privacy policies. Rather than the congressional beatdown many had expected, the most striking aspect of Zuckerberg's testimony wasn't his painful apologias or excuse-spinning, but his ability to spend nearly 10 hours saying almost nothing. The hearings may prove to be a sea change moment for Facebook and the greater data-mining industrial complex, but it would be hard to say the public learned much of anything.