Why would anyone believe a company's claims? I'm not trying to be a jerk, but why would we trust a source who has a vested interest in misleading us? Maybe phr

Why would anyone believe a company's claims? I'm not trying to be a jerk, but why would we trust a source who has a vested interest in misleading us? Maybe phrased less combatively: Do you have a source that's not Google (or a Google-slanted PR piece) that has hard data about what's possible today and what will be possible soon?