Once again, you're a fool because you think betting into a posted line on a big-4 sport is equivalent to lying and defrauding a restaurant. These two things are not equivalent.
The actual equivalent to the hypothetical you proposed--planting a bug in your food to trick a restaurant into a free meal--would be like, for example, if you tried to tamper with your bet ticket to turn a loser into a winner.
Simply betting a posted line is not fraudulent.
The bookmaker is responsible for the lines they post. If something is wrong with the lines, it's incumbent on them to change the line. When a bookmaker puts a line up on their board, that's a solicitation for bets. Until they change that line, it's perfectly acceptable to bet into it.