Vasinas are always pegerative. That means they are taken as negative desires. There can be good vassines, vastines for spiritual study and out of that. But generally, wasteners are used in the sense ofi worldly desires. The rebellion of buddhism against hinduism is mostly a rebellion against the karmaka (ritualistic portion) but not on the gana kand. I know these are controversial statements, but samivekand was very firm on this. He says, buddha also was a teacher of vedanta, but only i most general sense, not in the system of a deterina. So next time we