Then you're taking the risk of allowing through buggy code. That's a risk you have to weigh up against the cost of hiring more developers, or other ways of red

Then you're taking the risk of allowing through buggy code. That's a risk you have to weigh up against the cost of hiring more developers, or other ways of reducing/spreading the load. There's no magic "I've done enough, so it's not my fault" number someone else can give you.