One could debate that technically it is only macro if you shoot 1:1 or more but I personally don't think there's that much difference between macro shot with true macro lenses or non-macro lenses.
I can as easily take a 1:3 shot with a macro lens as I can with a non-macro lens. In the end, if I crop both shots to my liking, there's little to no difference between both. If there was no EXIF, most of us would never know what lens is used.
The more megapixels there are, the easier it becomes to shoot macro with non-macro lenses. For bugs in flight I personally prefer my 300mm instead of my macro.