Expedia Group CEO Mark Okerstrom made that case for the Bellevue, Wash.-based travel company again on Thursday. “The internet has been littered with the bodies of companies put out of business by Google,” Okerstrom was quoted as saying during a news media briefing at Expedia’s Explore ’18 conference in Las Vegas.

The key advantage Google has is how consumers turn to its search engine for many things, and how prominent the search engine is. It’s a concern that’s come up before. In October, Barry Diller, who serves as chairman and senior executive of Expedia Group, called for regulation of Google.