Yes, global companies should not be able to give away products or operate services at absurdly unprofitable rates (see: Ridesharing, a myriad of other Google services) just because they have billions to burn. It's horrifically anti-competitive and raises the barrier of entry unnecessarily. It's not like vertical integration is some new invention, its historically been fought against by anti-trust regulators. We just live in a world where they effectively don't operate any more.
All of the virtuals you mentioned have different stories. Cloud is profitable, and is not the top company anyhow. News is not a product it's a grouping of news stories. Youtube makes money through ads and better access and could be considered a loss-leader but shutting it down will not make the field more competitive. Android is open source.. and perhaps could be seen as dumping to prevent others. Gmail is a mail service, others exist.. and starting a new company will not cost you billions unless you plan on serving billions of people. Drive is one of many companies that didn't cost a billion to start but might be worth it now.. try dropbox or box.com or rapidgator.