I get the whole, "leave politics out of work" but 37signals wasn't selling Basecamp to Israel defense services. How many degrees between your work product and

I get the whole, "leave politics out of work" but 37signals wasn't selling Basecamp to Israel defense services. How many degrees between your work product and the killing of another human is too few? I do sometimes wonder at what point do we become culpable (like 1940s IBM).