I think you're misreading it, unless you have reason to believe that you've already given your permission. Either way, the regulation that Trump's EO overturns also allowed you to opt in if you wanted to.
Your statement is too strong. It's not outlawed. There is a relatively easy avenue for ISPs to sell this type of data, and it's written into the law, and not some sort of weird loophole. It is voluntary that they have not pursued it on their part.