I don't think he is irritated, I think he is getting the cognitive dissonance created by seeing through all the hype the Matrix gets here and is confused by it.
Assuming the AxeFx is as truly accurate a modeling device as it is supposed to be, then tonewise, the key requirement for the amplifier in the rig is that it simply be a high quality linear audio amplifier (in fact, given all the tone shaping capability the Axe has it can probably even overcome some limitations of the power amp frequency response
). The Matrix DOES INDEED fit into that category and is in a nice, well made, convenient (1U), package that has a lot of merit BUT some people here advocate it constantly and in doing so, use some superlatives that seem to imply that there is something special going on wrt to that particular product tonally compared to other audio amplifiers which sets off hype detectors for some.
In fact, there was a gear page thread a year back or so on the Matrix phenomenon in the AFX community and Jay Mitchell did a good job (in my mind) of pressing the case that the Matrix was a good amp but hardly "special" wrt use with the AxeFx in regards to tone/response and apparently he had even done some lab testing using one that indicated as much. So, if you can live with an amp that has a different foot print (not many quality high power 1U class AB amps), there should be a number of class AB power amps that are sufficiently linear/loud/etc that would be highly suitable for use with an AxeFX.
IMHO.