The counterfactual allows Kléber to survive 1800 and return to France. His dissatisfaction at being left behind in Egypt is the reason given for expecting problems for Napoleon. The consequences beyond that expected friction remain unspecified.
Notable Point · 2:24:09-2:25:02
If Kléber survived and returned from Egypt
Kléber's survival and return to France are presented as a political problem for Napoleon because of resentment over being left in Egypt.