I should clarify my previous response that the Brother Trainer/Employee was speaking of the sewing, quilting, and embroidery machines only and that sergers were not made in the same facilities or in the same manner. BabyLock does have different specifications and patents on some of the individual serger features.
When we asked the reasoning behind the BabyLock's marketing strategies, she told us BabyLock has it's own marketing and sales departments, totally separate from the Brother, and she did not know what was behind their marketing strategies.