There are some people whom you should never tell to make themselves at home.
That being said, these are also the types who are likely to do that without even asking. For many, their home is their sanctuary, and that means that they should be careful about who they invite into it. Not everybody is willing to show the respect that is deserved in another person’s space.
This is not to say that nobody should ever have guests. At its best, the occasional show of hospitality is the kind of thing that strengthens relationships and builds good memories. However, it is also entirely possible that inviting some people to your house will do the exact opposite of that. It might not just stop you from inviting them over, but also from being in contact with them at all.
To anybody who is careful to be on their best behavior when visiting the homes of others, it is pretty astonishing what some think they can get away with when they are in the same position. None of us are above making mistakes or even being impolite at times, but there is a difference between an occasional faux pas and the kind of antics that land you an unofficial visitation ban. Respect and self-awareness are both important if you truly want to appreciate the privilege of being the guest of somebody hospitable. You can either get a return invite, or leave them with some kind of horror story to tell to their other guests in the future.