

I think the customer lists would need to pertain to the scope of the lawsuit, which they probably don’t. He may attempt to get them through discovery as some kind of intimidation tactic, but he would need to provide a compelling reason to the court as to why he needs them.
The government also already has all that information. There is a record at your bank of everything you’ve purchased, and payment processors must abide by the Patriot act the same as any other financial institution. You can pretty much assume that unless you walk into a store physically, wear a mask, pay in cash, and never talk about what you’re doing, you’re tracked to some extent - and even that’s shaky.
Take that with a grain of salt, as I am not a lawyer or a professional in any regard. Operate as if the government knows what you’re doing no matter what.

PA-CF is hygroscopic so your filament may be water logged. Stick it in a dehumidifier for awhile (I have a Creality one from Amazon). You may also need to either decrease print speed or increase flow rate in your slicer settings.