Jailbreak has a robust server-side detection system. If the game detects impossible movements (like teleporting or moving through walls), it can automatically flag the account.
Here is an informative breakdown of how autofarming works, the methods used, and the consequences. 1. How Autofarming Works
A server filled with "ghost" autofarmers is less fun for legitimate players who want to engage in the classic cops-vs-robbers gameplay. 4. Better Alternatives