does free stuff = good service?

i ordered some leggings online at discount dance supply a couple of months ago. they were inexpensive and comfortable. perfect. but they started to fall apart right away. not good. so i sent a note to the customer service folks on the

discount dance supply website:

Comment...hello. i'm writing in disappointment. a couple of months ago i bought a pair of leggings from this website. they arrived promptly, and i was happy with the look and feel of them. they seemed to be a good bargain. however, after wearing them only one time, the seams have started to come apart and there is a run in the same place. i treated them with care and followed washing instructions recommended. it isn't a good bargain if i can only wear them once before they come apart. i look forward to your response. thank you.

within a couple of hours i got the standard, "we've received your message" reply:

a couple of hours later i received another message from them:

hmm. maybe they were sending me a new pair? hard to know as the message was automated and made no mention of my specific situation.

and a couple of hour later still:

a new pair seemed to be on it's way. but how odd they seemed to be sending without any actual contact with me. perhaps their automated systems were getting ahead of themselves.

fast forward a few days-- a package arrived for me. could it be a new pair of leggings? it was. i never heard another peep from discount dance supply. but whatever. they replaced my leggings.

good service? you decide.