In some cases, Republicans — who have never been tech's biggest cheerleaders — actually went easier on the executives.
What it means: The shifting attitudes of Democratic friendlies presents a new vulnerability for the tech industry as it tries to fight back against growing questions about their size, power, and general lack of accountability.
Democrats on Capitol Hill have generally been reliable defenders of tech companies, and tech companies have been reliable campaign contributors for Democrats. But their handling of Russia's social media meddling, which Democrats see as a real factor that helped put Donald Trump in office, is something of a tipping point in their relationship with Silicon Valley.
What they're saying: Several Democrats on the Senate Intelligence Committee harshly criticized the companies' sluggish response to their questions and their apparent lack of appreciation for the enormous power they wield over public discourse. Their own senators from California — Kamala Harris and Dianne Feinstein — were particularly biting.
Some key quotes:
Sen. Ron Wyden: "To fight back on this espionage, Americans have to rely on our marketplace of ideas and the institutions that support it. Today, you three represent those institutions. You've discussed your response to these attacks. It is self-evident that in relation to the power your platforms now have, in the past election, you failed."
Sen. Kamala Harris: "With great success comes great responsibility. You are the modern town square and the modern postmaster. You are the phone company and the yellow pages. You are the newspaper and the radio broadcaster and the television station. And you are the emergency alert system."...MORE