"armored"

I don't get the impression that you've looked at the physics of orbits.

Everything up there carries tremendous kinetic energy.

It would be pretty hard to build something strong enough to take on intentional collisions, let alone large debris.

Fun reading: https://www.esa.int/Space_Safety/Space_Debris/Hypervelocity_...

Here's a picture to illustrate: https://www.esa.int/var/esa/storage/images/esa_multimedia/im...