50,000 people are very small, just the population of a medium-sized small town, but it is the entire civilization left by mankind.
But such a small population also brings an advantage, that is, there is little policy resistance, and there are few differences among the people. No one can stop Jack's decision!
Excluding those crazy and large number of personality admirers, there are also some hidden and silent admirers, the base should not be small, and the support of these admirers for Jack cannot be overstated. They all support Jack's policies.
The vast majority of scientists also highly respect Jack, and that's enough.
At present, his power is almost no different from that of a dictator, and he can completely implement his iron will to every corner of the spaceship. Think about it, the population of only one town, everyone is very supportive, can it be possible to collectively oppose it?