Confirmed - armor, resists values on pservers is wrong

Are you referencing player spells or raid boss spells? Player spells are simple coefficients formulas.
Armor values on private servers work wrong? Where is the source? I always provide my evidence and link it, I would appreciate some reciprocity.
https://wow.gamepedia.com/Armor#Armor_damage_reduction_formula
Attacker Levels 60 - 79

DR% = Armor / (Armor + 400 + 85 * (AttackerLevel + 4.5 * (AttackerLevel - 59)))

All spells, even if you’re off by a fraction it’s massive. Even something mundane like the timing on the GDC being non-authentic can be destructive.

There are so many minor details that can screw everything up, it’s not even funny just how easy it is to make a mess out of game balance in an MMORPG.

Uh, yeah, pservers were always up front about the fact that they were only emulating the game as best they could.

youtu. be/FeqsoB4Q7sE?t=548

This is the source.

Already responded to it.