On weekends I write in the mornings and catch up on the trades. At first it was passion. Then, once I got too old to do anything else, it was passion and desperation. In theory, film is tougher. Prevailing wisdom is that more people are competing for the small pool of studio slots.
TV offers rapid, disposable programs, therefore more work.
Also, writing a sitcom sample is significantly easier than a polished feature. If you prefer TV, count your blessings. The people are somewhat saner, and the hours are definitely more consistent. Even though Hollywood operates in trends e.i. indie, high concepts, etc. I really can't.