In my experience, product. There’s a pervasive view that product is easy, that anyone working in it is a dunderhead who gets in the way of engineers doing the really worthwhile work. In reality, it would just mean they rewrite the software five times and have zero customers.
Oh, design too. I’ve met many engineers who simply don’t see any value in design.
Oh, design too. I’ve met many engineers who simply don’t see any value in design.