Complex sentence: Critique of technology is a theory which critizes technology for its negative impact under capitalist conditions (as means of domination, control and exploitation), or more generally as something which threatens the very survival of humanity.
Split into simpler sentences: Critique of technology is a theory which critizes technology for alledged negative impact under capitalist conditions. Proponents of this theory argue that that under capitalist conditions technology is or becomes a means of domination, control and exploitation, or more generally something which threatens the survival of humanity.