Scalping is "too" hard, I mean sure there are some people who know how to do it, but if you ask me it's near impossible for me to do it. I tried it a few times before and I failed and I have been trading for years now, so that means any newbie out there would have absolutely no chance at all, would not make any logic to do it.
I think some few things outside scalping itself can be attributed to the reason if people say it is too difficult. This can be as a result of :
1: Emotion
Network