Your implications are hurtful, if not entirely inaccurate. 
Why would a whole team suffer? I assume the party makeup would include a Healer or two? Maybe a celestialist?
In what way are monsters designed with Magic items in mind? (At least in the standard Database, custom designed monsters are a whole other can o' Shai'Hulud) Heck, that might have been true once on the Magic to hit monsters but the changes to Magic Blade and earth blade have made weapon enchantments unnecissary if you have friends or can cast it yourself.

Why would a whole team suffer? I assume the party makeup would include a Healer or two? Maybe a celestialist?
In what way are monsters designed with Magic items in mind? (At least in the standard Database, custom designed monsters are a whole other can o' Shai'Hulud) Heck, that might have been true once on the Magic to hit monsters but the changes to Magic Blade and earth blade have made weapon enchantments unnecissary if you have friends or can cast it yourself.