I also choose think people are doing their best despite often being misinformed.. and include myself in that group.
Scratch is a far better choice than bread fed at many ponds and may be a perfect food for energy and enrichment and for visiting birds but not nutrition and not for growing birds...
I'm sorry, I appreciate what your doing! I know she wasn't hurt that time.. but raccoon are sneaky and you may not hear when it comes back. I hesitate to say put something around her (what I kinda wanna imply) because being able to get away might be what's saving her.. as opposed to something...