Why they won't be glad?
It's a career path for real and at the same time, you get to enjoy what you're doing. I don't think that parents on this era are still the same as the old era kind of parents.
As long as you get to enjoy what you do and you're earning at the same time, they will be glad and proud of it.
Perhaps due to the fact that the esports career is not as durable as something more classic. With the help of which, let’s say, a person will earn a living, say, after 30? It is unlikely that he will play on an equal footing with young players, which means that among the players he will not have a place.