Who is more replaceable? You or the cuxo? What would happen if CUXO were to quit? Who is more qualified to be a CTO between you and him going forward? i.e.

Who is more replaceable? You or the cuxo? What would happen if CUXO were to quit? Who is more qualified to be a CTO between you and him going forward? i.e. If the company were to scale x2, x5, x10, would you or the him be able to fulfill the duty better? Would the CEO and COO agree? At what point do you need a dedicated CTO that is neither you or the CUXO? How much leverage do you have over the CEO and COO? Does COO have your back?