Here’a a thought: most companies don’t actually want to serve a ton of extra pages. For example, airlines just want to fly passengers. They don’t care who puts those butts in seats and they would fully acknowledge that they aren’t able to deliver a better flight search than Google can. I mean, sure, some small team of web developers at every airline is pissed, but the CEO needs butts in seats to keep the pilot and service unions off her back. Her own web dev team is the least of her problems.
"For example, airlines just want to fly passengers. They don’t care who puts those butts in seats"
Not sure who you talked to, but I've never heard that before. They all want to sell more direct and forego GDS fees and/or other types of fees and commissions. I'd love to see a quote from an airline VP or above that they don't care about their distribution model, boosting direct sales percentages, etc.
the OP wasn't talking about google competing with airlines, but with other flight aggregating and search/booking services, by abusing their monopoly on web search.