In the past I've either been able to encourage a mutual respect towards documentation and education to help everyone on the team get on the same page…or I've tr

In the past I've either been able to encourage a mutual respect towards documentation and education to help everyone on the team get on the same page…or I've tried to exit the project at the earliest opportunity. You may not know yet if this sloppiness you're seeing is lack of awareness or lack of care. If the former, it's your job to help your team become aware of the problem. If the latter…well, you're probably not going to make much headway and may even make the problem worse (because now you're the "bad guy"). So I would tread carefully to see if it's just a lack of awareness problem, and then help your team work towards more documentation and education around best practices.