1) Seems to be alot of people not just them....AKA look at people who just stop in walkways
2) Are they cheating somehow to get the food or drink first, or just getting in line first?
3)
DAS is hard, I can say they should not have them but that's on Disney. If Disney is approving them for things they can't discriminate against then what? I mean I do not want to get into it but also many on DAS are there for issues from a lifetime of poor choices so the whole system is hard because there every person has what limits they would put on DAS.
Like you and I would most likely disagree if we went down a list which disabilities should be or not be covered
To me these complaints just seem to be at just bad guests who with a camera or not would do it. I see many bloggers like Freshbaked who do none of the things your talking about