there might be a design issue and you will be looking into it and fix if necessary (and at least replace those things which failed if it is not done on purpose or failed due to abuse).
if you would go with the second option, you would have my respect and i would be still with you (and also a few more of your previous customers i'm in contact with).
we are all human beings and nobody is perfect and to admit a mistake puts you much higher onto the scale. before you write back some nonsense, do yourself a favor, think about it and come back with a response in a 