So I'm guessing that my hope of just having my WI license recognized by IL at some point in the near future is silly at best. IL will want some money out of me and will want the freedom to at least do their own snooping. Correct?
Would definitely need to have a change though the legislature (or a very unlikely court decision) for there to be any recognition of other licenses/permits beyond the "car carry" provision that's already in place.
At present you're not even allowed to apply for an IL license since your home state's requirements aren't severe enough under a truly bass-ackwards theory of non-resident licensing. I don't see how that can survive court challenges, but we'll be waiting a while for those to make their way through the legal system.
Hopefully we will have some legislation this year to correct some of the non-resident carry issues and at least allow for non-discriminatory issue. Faced with the prospect of keeping track of a lot of non-resident licensees, the powers-that-be might decide that at least a limited form of reciprocity/recognition would be preferable.