Well, to be honest, the modern world doesn't recognize the existence of magi.
As we believe, control, and learn things that are immeasurable, our existence is incompatible with the modern world.
Because it's kind of meaningless.
Going to a normal school and becoming a normal adult will bring you far more happiness than studying magic.
Human technology is great.
In the past few hundred years, it has been leading the way ahead of magic.
Nothing is impossible for humans.
The miracles once only possible through magic are now "tools" and not miraculous at all.
Still, magic has its good points.
Just as there are things possible only through science,
there are also things possible only through magic.
It was the master of the Tohsaka family who said that if science is moving toward the future, magic is moving toward the past.
Something about the past and the future ending up at the same place, everything always running toward the zero point.
Let's put off all these difficult discussions. They should wait until we're old.