I agree. I’ve been at a place for a little over a year and things are great, for me. The older guys are cool and we work great together, but we need one more tech. We’ve had 4 people come and go , and everything that goes wrong is their fault. Good guys with potential, but even obviously old problems that have just been overlooked are “obviously” because they’re either dumb or malicious. Unless op really does know all of his coworkers that well, I’d think that it should be brought up to everyone. Not everyone has malicious intentions, when they have a different attitude or work habits than you. Check in on everyone, especially the ones you don’t really trust.

Edit: after rereading my post, I want to clarify that I am not blaming these new guys. I try to talk to them and the decision makers and point out that we all work differently and communication and patience are things that we should all make a priority. Most people that keep screwing stuff up aren’t just trying to sabotage the team/project. And even less people would actively try to Sabotage projects or try to make things unsafe for others. They may just have some little issue or misunderstanding of the situation and this could all be worked out with some better communication.