And they didn't waste any time in stating they would never actually execute the signed treaty. At least we already know that:
https://www.bbc.com/news/articles/cmllykpwgdyo
(Yes, I know what the BBC title says, Hamas statement that they won't follow the treaties they agreed to uphold is there, for their own people. In THE SAME STATEMENT they complain that it isn't applied faster to their opponents)
(Also: obvious conclusion, if Hamas has no intention of holding up treaties they signed, then that makes any peace with them worthless, even if it's a signed treaty. Without a trusted counterparty there is no choice)