100% not true. Abbas wants a Palestinian state beside Israel. This is what he has supported for a long time. And why many states in the last two years have recognized a Palestinian state: https://www.cbc.ca/news/world/mahmoud-abbas-palestinian-pres...

While there was rejectionists in the past, Netanyahu has been the rejectionist for the last two decades. He says so himself:

https://www.timesofisrael.com/netanyahu-boasts-of-thwarting-...

He and his cronies boosted Hamas in part to split the Palestinians so as to avoid having to negotiate a two-state solution:

https://www.timesofisrael.com/for-years-netanyahu-propped-up...