Make sure you have "Google My Businesss" app. That allows you to control your own info and make posts and add pics. As one of your customers I'm happy to come by and show you what I do for my business.
People can make edit suggestions and send photo evidence, from posts outside restaurant, to Google to prove the change in hours. But I don't think they get instantly (in this case constantly) approved without investigation. If you are owner, your can claim it as you business and make proper updates
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