If the pen pressure is weak, it will be an airbrush, and if it is strong, it will be G-pen-like.
It is for presenting that "this kind of setting may be close to the ideal of the questioner" and is not particularly packed as a setting.
askの回答用に作った筆圧が弱いとエアブラシ、強いとGペン風になるブラシです。
「こういう設定なら質問者の理想に近いものが出来るかも」と提示する為のもので設定として特詰めているわけでは有りません

