What matters is motivation. A person who is trained in sabotage, is used to doing it, and is being well-paid to do it is a lot more likely to so behave than a r

What matters is motivation. A person who is trained in sabotage, is used to doing it, and is being well-paid to do it is a lot more likely to so behave than a regular person who knows they will likely go to jail if they get caught. And there are lots of actors out there who have both the funds and motivation to hire such a person.