While plenty of people are taught gratitude and consideration for others, there are sadly a lot of people traipsing around the planet with a bonkers amount of entitlement. Deeply entitled people can be incredibly difficult to communicate with, because the lack of self-awareness fogs all interactions. There is simply no rhyming or reasoning with someone who can't conceive of a world past their own nose.
Unfortunately, the anonymity of the internet often emboldens entitled people even more. The ability to scream at someone about a free couch over the internet has brought out so many monsters there's an entire Choosing Beggars subreddit dedicated to exposing and roasting these folks.
These are all people who could use a vey long time-out