Life as we know it depends on Google's products and services more than we ever did on Microsoft. They have Search, OS, Browser, Device and Service under one brand. Not to mention analytics and advertising on those properties and systems.
Taking advantage of that position at the expense of participants/customers is wrong and should be prevented.
That's what monopoly busting is about - AT&T, MSFT, Alphabet/Google, makes no difference.
You can apply the same principles to health care, credit and for profit colleges. She does.