Been turning my LG smart TV off at the wall for the past 10 years and it's still running.
My advice comes from being a UK Samsung phone user.
Current Devices:- Samsung S21 Ultra 5G 256Gb > Model: SM-G998B/DS.
- Samsung Galaxy Watch4 Classic > Model: SM-R890NZSAEUA.
- Samsung Galaxy Buds+ > Model: SM-R175.