I think you've gone well off the reservation with lack of perspective. In most modern western societies your spouse that you cheat on can indeed very easily leave you any time she or he wants to, and they're certainly not powerless in either a legal or practical exit sense. If we're talking about a non-legally binding girlfriend/boyfriend relationship, even easier for them to walk away. And no, cheating on someone sexually or romantically is not the same as abusing them in any legal sense, and it's definitely far removed from being a child beater, torturer or rapist. Drop the absurd hyperbole please. These are literal criminal acts of violence against another person, whereas the former is an act of dishonesty to one consenting, adult who understands basic fidelity risks in life and sexual license with another consenting adult. Neither of these is enough to get someone classified as "human garbage" in such denigratory terms in my view, and certainly not enough to put them on par with the genuinely vicious acts of coercive predatory behavior you're comparing cheating to. Your view is absurdly emotional and outside reasoned analysis of moral comparisons dude.