You better get your facts straight before you say other don't have a clue ....
Besides HC, mainskill rank and WEP very much influence your damage. (it has always been like this):
Hightech Heavy Combat:
Damage (100): Base 10 %, H-C 70 %, WEP 20 %
Aim Speed (110): Base 30 %, H-C 40 %, T-C 20 %, WEP 20 %
Aim Precision (110): Base 30 %, H-C 40 %, T-C 20 %, WEP 20 %
Frequency (100): Base 20 %, H-C 30 %, T-C 30 %, WEP 20 %
Range (100): Base 20 %, H-C 20 %, T-C 30 %, WEP 30 %
Handling (110): Base 20 %, H-C 30 %, T-C 20 %, WEP 20 %, AGL 20 %
check : https://www.techhaven.org/resources/...nce-guide.html