Let's have a thorough investigation first to see exactly who or what was responsible; from the idiot who had his finger on the button through to the idiot who was supposed to be supervising that idiot, through to the whole training program. Then expand it to look at other training methods and chains of command in the military. Coz clearly, something is radically wrong. This could easily have started a war. And judging by the competence of the Taiwanese Navy, it would have been a war that Taiwan would have swiftly lost.
If Tsai Ing-Wen doesn't step up and take control of this situation, then yeah, i would agree, she should be removed from office. But we're not there yet.