The Illinois False Claims Act (“IFCA”) has been perpetually abused by parasitic litigants seeking to force businesses into unwarranted tax claims. In the latest example, The People ex rel. Stephen B. Diamond v. Henry Poole & Co., Ltd., the Illinois Appellate Court (the “Court”) rejected an action filed by a well-known IFCA litigant against a UK-based tailor, Henry Poole & Co (“Poole”), for failure to collect Illinois use tax on custom clothing sold and shipped…