It's fairly easy to put food into a beak, yes, but think about what happens afterwards. How do you hack it back into the wild. Just throw it out of a window? No, it takes much more than that. Rearing a young wild bird is a very big commitment. And even after all of that, it's going to have a hard time out there in the big world. If you can't put in the time and effort required, save it the suffering.