Nobody cares if you own the server if there are no users on it. Also it's not like Matrix.org is not single master instance that can fail just as easily. Even

Nobody cares if you own the server if there are no users on it. Also it's not like Matrix.org is not single master instance that can fail just as easily. Even better most of data there is not e2e encrypted so yes if somebody hacks it you will loose all the information.