40 man raids
25's
10's
72 man raids in EQ were harder yet. So what.
I can say this much with absolute precision, it's much easier to carry scrubs through 25man content, than it is through 10s. Just like there were almost always 3-5 scrubs in a 40 man back in BWL days.
Referring to everyone that does 10's because the don't have the opportunity to do 25man content, as scrubs, is ignorant and foolish.
In a well organized 25 man, you have every class buff there is. Not always so in 10mans. By numbers alone, you have less personal responsibility in 25's.
Caveat: Hard modes are a different story.