van is a home if you have your stuff in it, live in it, and enjoy moving around, this does not make you homeless, sorry. is a home on wheels and can be very comfortable should you decide so.
I commented instead of downvoting. However, to speculate, you implied a person isn't homeless if they have a van. You were responding to a comment containing:
> I was technically "homeless"/vanliving
Wherein they were relating their experience and recognized that they were vanliving (living in their van as their home) and even quoted their use of homeless, calling themselves "technically" so.
Even someone living in a tent or sleeping on the ground, if they keep returning to a site could say that site was their home. Some say the world is their home or that the region they stay in is. They would still be very clearly considered homeless despite having a "home".
As I understand it, it is a gray area whether vanliving is legal. You are allowed to park a vehicle but the owner doesn't have unlimited right to leave the van in one spot and live there. Even living in a van on your own land can be against code. People sleeping rough generally have no recognized right to sleep where they do. They are frequently moved and more often harassed. The situation is similar for those living in a van.
Anyway, that aside and trying to speculate about your downvote(s?), the context was that you started a language specificity discussion with someone who appeared to be unsure about the right words and hesitant to call themselves homeless. There were plenty of places on this thread to have that discussion but this doesn't seem an appropriate spot to me. I don't know whether that poster even knows you responded but if they do, I could see your response causing some difficult thoughts and/or emotions.
I doubt you intended harm but it can be helpful to consider the context to minimize the risk of harm or even just better understand the diverse manners in which your comments could be received. Hope you enjoy commenting here and learn from it and the comments of others.