It seems from the public’s perspective, the only piece of information that will no longer available is how many donors there are and at what amount. The public

It seems from the public’s perspective, the only piece of information that will no longer available is how many donors there are and at what amount. The public was never getting a donor list except in unauthorized disclosures. The article also does not state why the IRS would need to know who the donor is? Can someone shed some light here?