Imagine doing a business if Google one day start to hate you.

No listing on most popular and the only search engine that counts. Most popular browser gives a big red warning for your website. Even with different browser it won't connect due to Google being the most popular DNS provider. No app on the only widely used app store on Android - the only OS phone manufactures use besides Apple. Your app is automatically uninstalled on >99% Android phones. Your calls gets blocked by Android spam detector. Your e-mails get blocked by Gmail. And besides that, Google would pumps all of your competition up.

That much power over the market is very dangerous and should not be legal.