Slightly more than conjecture. The ridiculous legal situation that we had in the U.K. with regard to expanding bullets up until a few years ago raised questions as to whether A-Max were regarded as being designed to expand or not. The fact that they do and contrary to what the company said in their reloading data at the time is besides the point, it was a technical question about legality over here.
The National Rifle Association and the Home Office, as did many U.K. shooters, got Hornady to confirm that they had not been designed to expand, so problem solved. Thankfully a couple of years ago sanity returned and the whole nonsense is now of no real consequence and a thing of the past.