Hollywood going down?

recently, I'm sadly becoming aware of what's going on with hollywood's cinema. It still amazes me their skill to get such a awesome idea, work on it for many months, delight millions of people with it, and then ruin it all with the help of a no-sense-no-effort crappy movie, a third and a fourth movie.
Today I've seen the worst of the movies I've seen in my life: The Butterfly Effect 2. It's just desesperating how they could ruin such a great Idea with that crappy "hot" scenes and that senseless story. It's obvious that they didn't even effort to make it successful. they just wanted to make a cheap-fast movie to earn lots of money out of it.
are we going to get junk movies the next few years???? is Mc Donalds going to open a cinema network????
That we'll see soon enough... *sigh*