My point is that the product manager also has a boss, and both the CTO and that boss have a shared boss (the CEO). If the CTO and product boss are constantly s

My point is that the product manager also has a boss, and both the CTO and that boss have a shared boss (the CEO). If the CTO and product boss are constantly stepping on each other's toes (or whatever), that's a problem that they either need to solve, just acknowledge as just the cost of doing business. And that ought to be communicated and acknowledged by everyone in the line.