What’s wrong with reading a book, writing poetry or a novel, exercising, playing with the
They have the wrong idea here. Most people who have nothing/nothing meaningful to do at work still have to be present and give the semblance of working. Or do bullshit tasks that nobody will ever check, but if you don't do them you risk losing your job and your income.
and going home to enjoy your hobbies fully rested?
Being bored out of my mind is extremely exhausting to me.