"I think it's my First Amendment right to publicly demonstrate on a sidewalk to protest against delivery robots."

Good for her. I hope she fights it in court so we can set a precedent for this behavior being protected under the First Amendment.

Arrested? I hope those idiots lose hard.

In the future, delivery robots will weave and duck around pedestrians like a professional basketball player. But for now, they can't get around an old lady on the sidewalk.