I feel like their is more common. I do deliberately say its for companies because companies aren’t people and don’t deserve people pronouns. Countries seem more like a collection of people, so I use their.

If someone knows more about grammar feel free to correct me.

From what I’ve heard it’s someone who really doesn’t know what they’re doing making it, and it has a ton of obvious security issues that the dev refuses to acknowledge. It really isn’t something that people should actually use.

Not if you’re the only one who knows and can create artificial scarcity.