Not intentionally rude, just blunt. And it works both ways. Ask politely and you will likely get more polite replies.
Too many posters ask simple questions that they should be able to figure out by simply being more persistent and observant. We are all experiencing these same challenges, and if we can do it, we expect you to be able to, too.
If you do hit a real stumbling block, you will probably get help, but you should make it clear that you really tried your best before asking.