As users, we are assured that telemetry is only for the purpose of "improving products and services", "improving user experience", etc. If one company is collecting 20x as much as another, all else being equal, one would expect that this would be reflected in the quality of the product/service/experience. Of course, Google's service is to advertisers, first and foremost. Users generally do not pay for what they recei…
Separately, I'm also a google customer as I run an Ad campaign for a small business (skilled labor), and the dollars spent on search ads are extremely efficient with an incredible ROI. Even with CACs in the 10s of dollars, with the size of the contracts being signed it typically costs much less than .5% of the total.