Hisense TV repairs

I purchased a Hisense TV back in 2017, but the TV has now stopped working I have reported this at Midrand game, i was asked to produce proof of purchase which I did and they managed to trace back the stock number and everything, but now 7 days later I'm being told that they have to send the details to their head office so that they can reprint the receipt and the process takes about 3 to 4 weeks and while they doing this I'm seating here with a TV that doesn't work and after those 4 weeks I still need book in the TV for repairs which will probably take another 4 weeks. as a customer I feel this process unfair and doesn't make sense , why would it take this long jst to reprint a receipt ? I need someone to explain why does it take so long ? because I feel this process is designed to force customers to give up on repairs and rather buy new one and I would never buy at Game again I would rather go to some random shop selling TVs because at least there I expect ***** service.