That is a logical hypothetical, but we don't know if it's accurate.
This provides data about what the gas station is stocking, but we do not have data about what Google's current users favor. It may well be that the users do prefer RC Cola.
And setting aside user preferences, the gas station doesn't stock what people want to buy. They stock what will make the most profit. The users may want RC Cola, but by refusing to stock it they may be able to force users into buying their higher-profit-margin Coke.
This provides data about what the gas station is stocking, but we do not have data about what Google's current users favor. It may well be that the users do prefer RC Cola.
And setting aside user preferences, the gas station doesn't stock what people want to buy. They stock what will make the most profit. The users may want RC Cola, but by refusing to stock it they may be able to force users into buying their higher-profit-margin Coke.