This is the one industry where people decide from the feed
A photograph of a dish can produce a visit that evening, which is not true of almost anything else marketed on these platforms.
Food is visual, immediate and cheap enough to act on. Somebody who sees something appealing at four in the afternoon can be eating it at seven, and frequently is.
That collapses the usual distance between social content and revenue. There is no long consideration period to bridge and no research phase to survive.
It also means posting frequency matters more here than in categories where recognition accumulates slowly. The feed is a rotating shopfront rather than a brand exercise.
The practical implication is timing. Content that reaches people while they are deciding, meaning late afternoon and early evening, does work that the same post at nine in the morning does not.
It is worth being clear-eyed that this makes social genuinely important rather than obligatory, which is the opposite of the honest advice for most of the industries we write about.