No, a training bond is a contract term that provides for compensation or redress on the part of the provider if the signee breaches the terms of the contract. It is a stand alone issue from how an employer "behaves" or is perceived to treat you. Those are matters that may have an entirely different means of redress.
On the assumption you have an IQ of more than 70, read and understand the terms of the contract you are entering into before you sign and thereby agree to be bound by them. If they are beyond your scope of understanding, or you otherwise feel you properly need professional advice before entering into a contract, then obtain that before you sign.
Dreaming up alternative realities, and engaging in wishful thinking after the event, is usually fraught with difficulties and expense. The same holds true for most forms of contracts. Mortgage contracts often have penalty clauses for breach, as do most other forms of contract. Act like an adult and save yourself lots of potential grief, and internet forum hand wringing if it all goes wrong as result of your lack of proper understanding later on.