Even if we aren't talking about court orders, any interactions with the police beyond small talk should be guided by a lawyer for the same reason. Arrogance has no place when interacting with the law, the complexity of which is far beyond the understanding of common men.
The problem is the side of it where you abandon in advance your ability do to that by giving a third party custody of your data and then suffer whatever consequences a lawyer might have advised you to avoid when the third party hands your data over to the government.
It doesn't matter if you're going to abide or contest court orders or whatever the hell else. I'm not talking about that.
You. Need. A. Lawyer.
Mere mortals cannot and will not understand the complexity and intricacy of law.
You. Need. A. Lawyer.
That's one of many reasons.