It's fine to be nosey, except just call your threads what they are, i.e. "What's your job"
...or be nosey and do a search first. This is a BIG forum and it's likely that broad topics like that have been covered 2-3 times before. You can always bump them to the top simply by replying.
I think you'll find that most people on here have really different financial situations. A lot of people can afford their cars just fine, and others can barely afford them. Some people have really crappy jobs and they've saved enough over the years to buy a nice new car like the Camaro. Others have a really big cash flow, so laying down $600/month on a fully financed SS is nothing for them. Do a search for the threads. You'll see