But Microsoft is doing exactly the same thing, only instead of paying for exclusivity of one title, they're buying developers so not just their next title, but all future releases will be exclusive, up until MS decides they're not worth it and dumps them.
Sony absolutely participates in anti-consumer practices, but let's not pretend that MS is any better.
Trebuchets aren't really a tool for defence. They have tremendous range and aren't exactly speedy to load, aim, and launch.
Unless you meant defence in the same way that a country's military operations are known as "defence forces" regardless of intent, in which case carry on.