It can be a rather useful thing. You can use it to plug an iron in the morning, and you will not have to be worried about an iron being on – you will be able to turn it off remotely. I have a few such plugs in my house, which constitute my own small IoT system.
A good
smart socket can run with almost any device and help you control energy consumption or create schedules for the lights inside the house. You just need to get used to smart plugs, and then you will not be able to live without them. These are not the most important devices in the household, but they greatly contribute to life comfort.