Simply, any pair of socks made of 100% cotton and does not prevent blood circulation is good for a person with diabetes no matter what they are called as a marketing gimmick.
The actual, technically called, diabetic socks with silver is not necessary unless one has further complications.
Diabetic neuropathy in feet is common with diabetes and one does not need to experience tingling, burning and particularly even occasional pain if an Neurologist is visited and to be followed-up and through by better management of one's own diabetes, that is keeping the BG levels within range as been told by the Endo Dr. during each visit.