Once again, JA makes it clear its a nearfield measurement without correction, it's up to the viewer to read his speaker measurements section.
He doesn't make it clear. Most people will have no idea what I quoted means. They see a graph and run home thinking the designer screwed up.
NFS is a great tool, but certainly not mandatory for knowledgeable designers.
Go and ask Ascend. Since purchasing NFS, post my measurements of their speaker with the same showing serious issues, their design has been hugely transformed. They can get full 3-D radiation of a speaker in 3 hours and iterate on the design on daily basis. In contrast, garage show operations like yours will make a crude gated measurement or two and call it the day.
Yes, if you spend the time and energy as you linked to in ASR link, you can get proper measurements. But that is not what JA is doing. And certainly not what you are doing on daily basis.
So yes, what else is new. Garage shop operation sells speakers for $15,000 but works hard to say a) you don't need to see any measurements of said speakers and b) incorrect measurements claimed to be correct.