> For instance hitting on this topic (of food prices), why can't I simply start baking bread and selling it?

Excessive bureaucracy and excessive legislation have the perverse effect to seemingly protect the consumer while in reality helping the big players. Small players will go out of business while new players can't enter. It wouldn't be much surprise if powerful lobbies ask for such legislation while they pretend they think of the public good.

No one likes competition, even entering the bar as a new lawyer is difficult.