Answer: Dingobot is just a simple computer programme to detect simple errors, such as oft-repeated characters, WWW references and so on. It has no intelligence. It does what its programmers told it to do. The cartoon glyph is just to lighten the mood.
Answer: Because, they have not matured enough to see how their actions affect others around them. Or, something they may see as a good decision, may seem to be a bad decision to someone coming from a different background.
Answer: This website is not stupid. While sometimes people postinflammatory and hateful answers (or questions like this one), thepeople on here work very hard every day to answer as many questionswith top-notch quality as they can. Supervisors work day and night,unpaid, to keep this site running so people who visit it (for free,mind you) can find answers to their questions.
Answer: No. It is rude to say that to other people especially if you are a professional, it is not a good image of yourself seeing you telling other people that they are stupid. Everyone in some point of their lives commits and does stupid things. No one is perfect.