If we wanted to shift probability towards de novo AGI (the desirability of uploads is contentious, with pro and con), then we might withhold support from hardware development or actively sabotage it.
Sabotage? Isn't that going to be illegal?
Depends on whether the ones doing it are also the ones making the laws.
In this essay I argue the following:
Full essay: http://www.gwern.net/Slowing%20Moore%27s%20Law