What is a weakness of social change?

Many of the reserach, like Asch,Milgram and Moscovici can be criticised for issues in their methodology, ranging from low generlisability to demand characteristics Since its a lab experiment, lack of mundane realism, eg task with lines, and don't reflect real life examples of social change, which are more complex Therefore undermines the linkes drawen between the social influence processes and social change.