I guess you have to expect to throw it away after 3 years - and be positively disappointed if its not the case.I expect it’s related to them expecting retention/burn in after that point. £1000 for a monitor that has that level of faith from the vendor is a bit alarming tbh. Here’s hoping the extended warranty gets offered in the UK because it’s resale value will be sod all if it has defects after 3 years.
My LG B7 has severe burn in after 4 years and I havent used it as a monitor.