You should read the parts where it says US has done similar tests and that "In response to US weaponisation of space, the Chinese started a space defense progra

You should read the parts where it says US has done similar tests and that "In response to US weaponisation of space, the Chinese started a space defense program, including anti-satellite defense." That being said, this is a great example related to the OP (e.g. number and sizes of tracked debris and for how long they remain dangerous).