When you’re the one in charge, you’re responsible for what happens, glitches, politics, media hysteria, or just the incompetence (or sabotage) of those who preceded you, no one wants to hear it.
Simplicity has it’s attractions but oversimplification is a knee jerk response that serves no one well.
Just because one takes the oath of office one is not immediately responsible for all one’s predecessors actions. Nor is one responsible for immediately fixing all the problems in Government. That is absurd.
One is responsible for one’s decisions. The President is responsible to take action on issues that emerge. Since he is not able to change Nature, change the nature of mankind nor see into men’s hearts he can only keep doing the best he can. There are no supermen. Falling on one’s sword while satisfying in Opera is not really helpful.
So you can certainly take an extreme position, unhelpful and illogical as it is. That course has the recommendation that it is easy and has been evoked inappropriately and misused for centuries.
Or you can appreciate the nuances and measure people by what is possible & what others in their position have done. If the problem is being addressed & the Nation will be the better for the exercise blame is only important as a tool to uncover the flaws that should teach what to avoid.