Your arguments are ridiculous. Humans judge; we're good at it. Burn us enough times with false promises of privacy or outright lies and yes, we will learn to become very skeptical and untrusting. You're asking people to continue trusting a system that has proven to be working against users' best interests for a long time.
The data is not sufficiently anonymized. Your public IP address is sent to Google and--the burden of proof is on Google to prove this doesn't happen--there is nothing stopping Google from comparing that data to other requests they get from the same IP address (say, from your browser). Maybe Google can't personally identify me from this data, but they can sure target me with ads, which--shock--make them money.
The data is not sufficiently anonymized. Your public IP address is sent to Google and--the burden of proof is on Google to prove this doesn't happen--there is nothing stopping Google from comparing that data to other requests they get from the same IP address (say, from your browser). Maybe Google can't personally identify me from this data, but they can sure target me with ads, which--shock--make them money.