Or, alternatively, they're telling the truth.
I've pointed out previously that critics of Google and Facebook often assert that every word they say is a lie, then use that to support the position that they can't be trusted. Absent other information that's a fallacious argument.
So, with regard to Chromebooks specifically-- not your view of Google as a whole-- what bad behavior do you claim is happening and how do you know that to be true?
It's just like "don't be evil": nothing more than underhanded, cynical corporate PR window dressing.