A really quick, dumb question but is it worth using a DA polisher for polish/glaze/wax even if there's nothing specific I want to correct? Car is over 4 years old so I am sure the swirls are there but in daylight I can't see them. There are stone chips but the DA won't help with those. So is there a DA plus products combo that would give a noticeably better finish over just hand application? Thanks.