Yes, that's correct, Google didn't do it out of the goodness of their non-existent heart, they made what they think is the best financial decision.
It's a good one for the consumer though, whether see that or not. It's good that your every move ever taken is stored in a company's database.
Don't worry, they most certainly used it to train a decent model of any typical American demographics movements before scrubbing it.
All the voting Democrats that still haven't read a history book and still think Clinton was the greatest president of their lifetime, and complete ignorance of how much him and his wife are directly responsible for ALL the deep shit we're in today.