Which is more reasonable for polystyrene, to ban or recycle?

Of course to recycle.
Although the use of polystyrene is prohibited from foxing pollution, we can not be so arbitrary. We should also consider the convenience of polystyrene.It is the most suitable material for all materials.
What's more, it is cheap and cheap. If we pay attention to polystyrene recycling, we can eliminate pollution problems. Why should we ban them?