If you don't agree to a bunch of treaties around IP protection, you will find yourself frozen out of many free trade agreements and mostly unable to import or export anything except at crushing cost.

Better just use China then

I mean, sure, but the parent comment sort of implied they were looking to make a ancap libertarian paradise, which China most certainly is not.

You will find yourself commercially isolated and therefore unable to run anything and therefore likely to suffer an invasion by any other nation.