Spent a few days in South Korea before Lucky and Goldstar merged to form LG.
Still remember those items when I look at them today. Most consumer electronics today are OEM, meaning it all comes from the same factory. My wife worked for an industrial robot company for ten years. OEM 24/7. That's why I am cynical about many audio products.
As for microwave cooking you have to know the wattage of the machine and the behavior of the molecules in the food you are preparing. Certain foods can absorb tremendous energy and emerge cold. In others 4 seconds makes the difference between perfect and ruined.
Set the time yourself and watch carefully. Ignore the programmed functions.