Books into movies or dramas

P/s: err... I know. Bad handwriting. Hanging mid-babble. (i'm talking about the pic down under which supposed to be up here. Oh, well...) Here's what i was actually babbling about;
So, i just recently watched Ombak Rindu last night. Granted, i didn't go to the movies, but someone uploaded the full movie on facebook so i watched it. Haha!
And i understood the writer's dissappoinment in it.
I don't remember when i actually read the book, let alone its storyline. I just remember i skipped quite a few pages. Too emotional for me. But, that's what moves you when reading. The authors' abilities to describe emotions. However, nothing moved me last night when i watched the movie.
I think it is rather insulting to us writers, either the struggling ones (like me) or the accomplished ones (like ombak rindu's author) when the story we put so much efforts into (YOU HAVE NO IDEA) to be portrayed on screen with such careless ways.
I think the only stories quite successfully be transformed into movies were the Harry Potter series. Even then, there were some parts in the movies that the audiences won't understand if they didn't read the books. That i observed from my own experiences having to answer my nephew's continuous questions after we watched the last part of the franchise. But then, maybe that's the whole idea. People who haven't yet read the books, when they watched the movies might want to begin reading them. More profit to the author.
Sadly for me, though, i didn't feel like reading Ombak Rindu again after i watched the movie last night. And that is pretty upsetting if you're the writer. Imagine that.
Even if (or to be more positive, even WHEN) i get the chance to publish my stories, i don't ever want them to be translated into movies or dramas.
We write stories, we put our hearts and souls into it, we breathe our hopes into it to be meaningful to someone. To be something someone can learn from.
Making books into movies or dramas is a big responsibility. HUGE. don't look down on it. Do not belittle the ideas behind the stories. Some small scenes in books might mean big thing to someone. Especially the writers.
Do not sidesweep the author. You don't have her/his brain.