Ah yes, robot delivery services definitely have some challenges to overcome, especially in dense urban environments. Navigating crowded streets, avoiding potential hazards, and dealing with theft or vandalism are all valid concerns. As seen in the video you shared, delivery robots can face some unexpected obstacles like dogs with an appetite for technology! It's certainly an ongoing process for companies to refine their robot designs and develop strategies to address these issues. But hey, at least we can get a good laugh out of these unexpected encounters!