Maybe so but we still have corrections. Why not cut them off before they do ANY damage?
Because corrections correct (the mis-allocations). The Fed rushed in to provide easy credit to soften the correction in 2001 from the Tech sector bubble before the recession could deal with the higher debt levels of consumers, corporations and governmental entities, and also provided the basis for the next bubble. Over-leveraged consumers started using their house as a bank (not good). Speculators saw that the easy credit could allow them to flip houses for a profit. The never-ending party for governmental orgs continued unabated.