Deluxe passing of the buck at MWeb call centre

MWeb sold me an LTE Advanced modem for R1700 and then told me I could not use it as there in no coverage in my area, despite the fact that I live in a busy built up area which has lots of businesses nearby. They said they would collect the modem and then refund me. This has turned out to be an almighty frustrating and fruitless saga going on for months and months. Every time I call I have to speak to about 6 people and repeat my complaint and ID number and account number over and over and over and over and over and over, then they say hold on, and either pass you on to someone else or disappear altogether and leave you hanging on with muzak. They are all ultra polite and seemingly helpful but so far I have got ABSOLUTELY NOWHERE. No one ever gets back to me despite promises on the bible, koran etc. No one ever follows up. It is impossible to speak to the CEO or anyone high up in the business. You wait all day at home grounded because they tell you a courier will pick up the modem and then the courier does not come. They do not give you the option of returning the modem personally to some address yourself. This whole saga takes unaccountability to a whole new level and is egregiously bad for one's blood pressure. If you are in the service industry, for God's sake provide proper service. Teach your staff to be accountable and ****** deliver the goods. MWeb, as soon as this is over I am switching to another service provider and I am going to tell all my friends and the media what a bum and useless company you are.