If the Palestinians had the sole global supply of gasoline or whatever and were able to blackmail everyone else on earth into accepting their legitimacy or else they will crash the global economy and cause billions of deaths, yes.

That’s aside from the fact that Paul is operating within the imperial structure. Shaddam IV abdicates, and Paul is instated on the throne. This is done by the rules of their feudal structure.

This is all explained textually by the spice monopoly / Spacing Guild / feudal empire relationship.