I totally agree. RCM had lot of big disadvantages. The small accuray of the guns for example. You could fire point at the enemy unit in big distance. Nor in AXPRM it is changed.
The howitzers and mrtars are very hard weapons too in AXPRM but longer range and bigger accuracy. You can shot a very good regin-fire not point fire. And in AXPRM the "one shell in each gun" system makes the real artillery feeling. (The guns have not big mobility, becouse you have to unload the ammoboxes, not all of the trucks can tow all the guns (Big guns can be moved by heavy artillery tractors). In this case you can enjoy the advantages and the disadvantages of the towed artillery in 100%!
AXPRM is an early period mod. Only 1939-1942/43. (Correct peridod: autumn 1939-spiring 1943.)
The self propelled artillery was very rare in this period and the heavy tanks were rare too. Some Pz VI were in combat in late 1942, and there are KV1 or 2 variants. But the light are and medium tanks are the majority.
In other mods I have seen the artillery. In my opinion (and lt of my historical iformation helped me) the artillr yis too weak in other mods. For example the howitzer's prime duty is to destroy the closed infantry formations of the enemy and to support the attacking infantry. For example in Other mods when the enemy attacking with 50 riflemen, and I hit them with a howitzer, 3-5 rifleman dies and the other 45-47 still running. It is not real. Anbd in other mods the artillery has very short range. The rocket artillery has very long range. It is not real too. For example the Katyusa rocket launcher had 3-6 km range, the F-22 fieldgun had cca. 20 km. In AXPRM I crrected this. (The range of the BM-13 Katyusa is approx one or two screen. The F-22 can shot across a 256X256 map.
)Trench warfare... In AXPRM you have to move with your units becouse the enemy artillery eliminate you.
The accuracy is similar to your opinion: if you fire 100 shells only 15 can hit the target in the max distance. When the enemy units are closer, the guns/howitzers/mortars have better accuracy.The aircraft: In RCM they were lot of planes which were very strong against ground units. When you sent 30 Thunderbolt into the battle, the german panzers were eliminated in few seconds.
In AXPRM there will b early planes, but thes planes will be evry good against infantzry. When you know the AXPRM1.0 beta 3 yu can see that the I-16 is very dangerous against finnish infantry. The machinegun is a real terror for the finnish soldiers. 
The jagdbombers will be very good against tanks, but they can not drop bombs to the enemy tanks easily. (Bombing accuracy)
Greetings from Hungary!
These things are changed in the whole AXPRM! The accuracy system is totally new.
