1 - Google has a history of living up to the absolute bare minimum promised. Apple does not. Per history, one can assume that when Google says they'll support for 3 years they mean 3 years and one day, and Apple means about 5.

2 - Google has a history of whining as if they are absolutely powerless, broke, and incapable of affecting what Qualcomm or others do. At least when it suits Google.