While I do believe playing CoD on the highest difficulty shows how persevering or skilled you are, it's definitely not for me. I do like a bit of challenge, but for the most part I want to have fun
. I mean, if this was a realism shooter like ArmA or OFP, I guess being peed off would okay, but this is an arcade shooter and I want to have fun playing it.
Speaking of OFP, I not only had to put up with the frustration of realism, but the frustration of buggy mission design.