Anything that endangers mutually assured destruction does not make war less likely, but instead more likely. Also, militarizing space risks making Earths orbit

Anything that endangers mutually assured destruction does not make war less likely, but instead more likely. Also, militarizing space risks making Earths orbit unusable, since when you have a death laser satellite, that is a valid military target, and it's destruction might cause a chain reaction of debris hitting other satellites.