Mod users in FFXIV are getting out of control

[KisaiTenshi]

Also, I'm still waiting for you to name those two MMOs. Or perhaps you conveniently forgot them. In which case, name what you remember and I'll do the research on those games for you, just to see if these claims of yours have any merits.

Look up "Black Robe Incident"

How does it hurt the game?
...
Am I playing the game wrong?

There are dummys in the game you can test your rotations on. You do not need a third party tool.