To be fair, a lot of these questions aren't that unreasonable. I'd say the majority of the whole hearing is for the GOP to get THEIR people to study the results to "find" bias. Even if Google is biased (as a liberal, I'd say they probably are) they're a private company and are allowed to show whatever they want. In the same fashion that the FCC, under GOP leadership, has allowed ISPs to do whatever they want.
Funniest part about the whole video is the ending where the guy talks about Comcast and getting transferred to someone foreign, despite the very person they're questioning is Indian, which is usually who runs all of the call centers for companies.