1. They have betrayed user trust in the past and continue to do so.
2. They have been sued by the FTC, paid millions in settlements, and failed to prove that they did not break the law.
3. They are currently being sued by the DOJ and many states attorney general.
4. They have made numerous settlements in private privacy-related litigation as opposed to proving they were not liable, despite having enormous cash reserves available for legal costs.
If someone were to suspect Google was "probably" breaking the law, this does not seem like an unreasonable suspicion.
I was in agreement with your post until this throw-in line at the end. What reason do you have to believe that YouTube is breaking US and EU law?