Google generates money not by collecting data but by showing targeted ads (they need personal information to do good job at targeting).
They actually do provide option to opt out, remove information about you but they make a quite a hassle to opt out and block features that could otherwise work, to encourage you to opt back in. For example you don't agree for Google to your location history? Fine, you don't have location history in Google Maps even for places you searched 5 seconds ago.
Anyway, to turn things around, yes they provide you services for free, and you're paying for using them by have targeted ads, if you decide to not use those services anymore you can't get an offline version of their tools that doesn't phone home, so why should they be allowed to keep your data in perpetuity?
Targeted advertisements is one way that Google uses data about its users to generate cash. Just like users use Google Docs to create invoices, use Google Search to find solutions to problems, and use Gmail to send resumes and receive job offers. The exchange here is the use of the service for the gathering of the data. How it's used post exchange is not relevant. Is a person who decides to cease using gmail going to quit the job that they used gmail to, in part, get?
The fair result of a person choosing to stop using a company's service is that they get to stop paying for that service, i.e. Google doesn't get to collect data about your current and future activities.
The difference is that your data is still valuable whether it is week later or 10 years later. While it is unlikely Google does it, the data also can be sold to multiple parties and that doesn't diminish its value.
People truly underestimate how much information about them is actually worth.
Google generates money not by collecting data but by showing targeted ads (they need personal information to do good job at targeting).
They actually do provide option to opt out, remove information about you but they make a quite a hassle to opt out and block features that could otherwise work, to encourage you to opt back in. For example you don't agree for Google to your location history? Fine, you don't have location history in Google Maps even for places you searched 5 seconds ago.
Anyway, to turn things around, yes they provide you services for free, and you're paying for using them by have targeted ads, if you decide to not use those services anymore you can't get an offline version of their tools that doesn't phone home, so why should they be allowed to keep your data in perpetuity?