Absolutely agree OP. It must be nearly 15 year since I last bought something at Currys; it was a fridge freezer. The delivery men turned up late, dumped it in the middle of my kitchen and left.
When I started unwrapping it I realised they'd delivered the wrong fridge freezer.
Got it swapped the next day but there was not apology and you'd have thought it was my fault from the way it was dealt with.
Awful place, staff are rude and haven't the first idea about the meaning of customer service.
Would never go there for anything.
I also buy most of my smaller electricals at Argos.
The staff in my local Argos are lovely. Anything goes wrong, they can't do enough to help.
I bought a gift from Argos for my DGD, turned up to pick it up and when the assistant bought it out the box was rather battered. I explained it was a present so she order another one and got it delivered to my house the same evening; that's customer service.
Obviously, I go back to Argos. Currys will never see me again.