MTN Longbeach...Very poor service

MTN Longbeach, service is very poor. I have been there several times to change from Vodacom to MTN. Queue with no movement at all, I come back after half an hour, no movement at all. One person sitting with a laptop, chairs all occupied and one person at the counter. I do not know what takes so long. Each person seems to stand at the counter for a very very long time. I go and shop and return, same people still at counter and on chairs and the queue is longer, some people leave in frustration. Please can someone tell me why this is so? What do people download which takes so long. On last visit when I asked how long, they said a download is in progress. ????? Do they not have signal, slow computers??? After four attempts I am still stuck with the no signal or very slow signal from Vodacom. What other options????