I believe that this is just temporary. Terra Luna's team already released a statement about this case. A lot of people are worried about this, even me I have some UST but I am still calm. This is also because of the recent dump, for sure they didn't anticipate this but I am positive that they will become stable soon and fix this issue.
Everything is possible in this world. There were cases when scammers successfully run second iteration of the same ponzi.