Earlier quoted context omitted.
Because the overall well-being of a society is supposedly more important than a few shareholders' wealth?
Probably about 60% of Americans are Google shareholders. Not saying we should favor share price over all else, but far more than a few wealthy shareholders will be the benefactors of this.
I think a lot of regular users actually might prefer one company that makes all their choices for them so they don't have to deal with decision fatigue so often... the browser wars of the 90s and 2000s were not pretty, either...