This is a good guide for how to reduce Surveillance Capitalism by big tech:
Of course, you could instead just let them collect data on you but take the effort to block increasingly invasive ads. But there's just no beating that clean feeling of switching to software or sites which are offering something helpful, no strings attached. That's why I love finding out about these kinds of tools.
Not all the steps are easy, so, like me, you'll probably end up making compromises. For example, look at the patheticness I had to do as a result of being stuck with an Apple product:
https://adam4235.github.io/encyclopedia/computer/iphone_reduced_tracking.html