i think it would be a commercial disaster to take the terrorist viewpoint, but it might be interesting to see how a child grows up and how he becomes involved in something like that. done in a realistic manner, it could work as long as you leave out the CIA agent chasing him down as a main character. regardless of how you did it, though, people would protest without even seeing it, i bet. nevermind that your script wouldn't be seeking sympathy, doing it as unapologetically and even contritely (which would be the wrong way to go, i feel) would still land it in a bad place.
is it me or does how someone, ah, 'degenerates', for lack of a better word, into terrorism fascinate anyone else in the same way how a normal german man would succumb to nazi-ism?
i started writing a story years ago that i thought would be better as a script. i had plenty of ideas for it, did some research, and wrote several scenes, albeit in novel form, which just didn't fit. i ran the overall idea through several people and they liked it except for the part where the main character was a bullfighter (set in 1700's spain). most everyone agreed that if i removed the bull fighting aspect, to go ahead and write it. even though i made sure they knew the setting was several hundred centuries ago in a different culture, it didn't make any difference. they treated that one aspect as were i advocating the murder of all first born males.
the idea wasn't about killing bulls. it was what added the excitement to the story and the impetus for most of the male characters. and what a great set of characters you can derive from that world... all pisssed away because some bleeding hearts get weepy over a CG bull getting killed. i don't advocate cruelty to animals more than anyone else, but i realized that no matter how i presented my synopsis to people i couldn't impress upon them the fact that it wasn't meant to be cruel to animals... but nor was it a part of the animals defense, either.
on imagining what the commercials would look like, i didn't see much reason to continue. i could envision PETA protesting already. despite the fact my MC was to be killed by a bull in the end i didn't see as redeeming enough. there actually is a long history to killing bulls, one that even if people knew about they wouldn't be able to play along with for a couple of hours. bullfighters kill bulls: no way around that.
is it controversial? it probably would be, but mostly erroneously so. i mean, it's difficult to make safari hunters seem like heroes to a modern person's sensibilities, particularly in this over-sensitive society. even james bond's womanizing was turned off for a movie or so in deference to modern day moralizing.
is terrorism controversial? no, but it can be in bad taste, that's why that arnold schwarzenegger movie was delayed after 9/11. is your terrorist script controversial? probably not so much as you might think. i find it highly unlikely that there's not a pile of 'em sitting in the corner of every producer's office, most of which the writers might think stand a chance *because* they're 'controversial.' to be honest, i don't see how your story can be controversial without looking at the terrorist point of view. what story elements are there that makes it potentially taboo? if by 'extreme' you mean terrorists manage to poison a million people through the waterlines or something along those lines (alternately, setting off a nuclear bomb in l.a.), i wouldn't worry about upsetting anyone.