Well, with the certainty you speak of this with, yes. Oh also, I'm being facetious because I work there and I'm interested in this secret pile of evidence you have. All things being fair, I won't deny that you've seen the things you've seen, it's just that you might be attributing them to the wrong places. Hence, the need for actual evidence.
I am certain and so is everyone with an open mind. Look at results pages and it's clear why all the Google pages and ever-growing number of ads were inserted, MONEY! Mo money for the always greedy Google.