Originally Posted by
garym
because programs like dbpa and EAC are written by professionals who care deeply about bit perfect digitial audio reproduction/creation. Others are not evidently. Keep in mind that the dbpa creator, Spoon, also created the ACCURATERIP database check system (used by dbpa, EAC, cuetools, and others). This particular innovation is likely the most important tool ever created in the world of determining bitperfect rips.
shorter answer: There's a lot of crap produced out in the world in most products, and a lot of consumers who buy crap because they don't know/care.