If they appear to work, they'll work. If they have a fault it was probably something that was there already. The warning is just a CYA thing to perfectionists.
Perhaps the only reason Hash doesn't do it themselves is lack of people power to manage it, and not wanting to be responsible for maintaining 1000 models against every possible thing that might crop up when the software is revised.
Most free models will need some revision to be ready for a new purpose. Many have rigs that were "ok" in their day but we would consider lacking now. Same model, still works the way it always did, but now we expect more from them.