Probably because both use the information they're getting from you to actually improve their services. And that's (probably) fine, since you're giving away your

Probably because both use the information they're getting from you to actually improve their services. And that's (probably) fine, since you're giving away your information to get a better service. I want privacy but I also want good services, Duckduckgo for example gives me a good privacy service but its searches have nothing to do with what I wanted to find.