I don't think anyone knows for sure but that seems most likely. I saw where another recent startup solvent trap seller said they are selling what they've got and getting out before something like that happens to them. Fuckin government thugs.
I have heard rumors that ATF is starting to crack down on the solvent trap business, but no first hand knowledge. Solvent trap companies need to be extremely diligent that none of their parts can be considered silencer parts.