It’s easy to say “Break up Big Tech companies!” Depending how politics unfold, the thing might become possible, but figuring out the details will be hard. I spent the last sixteen years of my life working for Big Tech and have educated opinions on the subject.
https://www.tbray.org/ongoing/When/202x/2020/06/25/Break-Up-Google
https://www.tbray.org/ongoing/When/202x/2020/06/25/Break-Up-Google