Certainly, and we don't encourage isolation from our engineers. They are free to work further on problems, and often do --- but when the expectation is to work

Certainly, and we don't encourage isolation from our engineers. They are free to work further on problems, and often do --- but when the expectation is to work your fill, rather than to work the problem to death, we find our employees excel. Taking the weekend to ignore a problem often leads to a solution on Monday morning.