Many, but not all, of those waving party flags and chanting slogans are party affiliated. There are quite a few netas amongst them too. Also, lots of political activists have been arrested by the government and are in custody. The reason you are seeing more ordinary people than politicians is becasue this movement is now full blown and has caught the imagination of a lot of ordinary folks around the country. When was the last time people took to the streets in places like Jumla and Humla?