Some thing are hard no matter how you try to explain them. There's lots of stuff that seems to require working through it yourself to understand.

Oh, I don't disagree; some topics are inherently intractable. It's just that, in all my experiences, the numbers are more like 1 truly intractable topic for every thousand that some expert will mistakenly claim is intractable simply because they haven't put the effort into tracing out the connections to other topics.

The woman top row of this xkcd pretty much sums up my life:

http://xkcd.com/566/

Probably because it's hard to distill years of work connecting the dots (which at first don't appear to be connected in an obvious way) in a way that is easily digestable by somebody new to the field.

In any case, I imagine there's more glory in digging further into intellectual stuff than spending time making it palatable for newbies. :)

It's the newcomers' faults, clearly.