Why does samsung have technicians/support when they do not care for appliances out of warranty

I booked a call for repairs on my Dishwasher in 2020. Technicians came out in 2021. Since then I have paid so much money to fix the dishwasher which has not been fix at all. Samsung allows there approved technicians to take money from loyal customers without repairing to appliance. According to Samsung and the technicians I now have to pay another amount for a call out fee. What I don’t understand is that the dishwasher has not been repaired. Technicians have been out many times and he problem is still the same. Please can someone get in touch with me from Samsung’s CEO office and provide e with and email address. I am a single parent trying to make it and have been taken advantage of financially. I know my dishwasher is out of warranty which is something I am continuously informed of, however if you are “fixing “ a problem them it should be working for a long period. My dishwasher has not worked since MMAlll supposedly repaired it. I have a video from their staff confirming that it was damaged by their own staff. Yet nothing ....