If you use google (sans AI), you're putting some trust in their page ranking algorithm. If you use it with AI, you're trusting the same algorithm (since that's how the model gets it's sources), but then you're trusting the model to evaluate the sources for credibility and extract the information you actually want.
No. Neither can be trusted as far as you can throw them. They're both incredibly invasive data brokers. Their customer facing products are just vehicles to show ads and Hoover up more PII and behavioral data on everyone.