NSO Group is dead at this point. They fucked with the wrong people. Hacking human rights advocates is fine but when Presidents and PMs start getting their phones hacked I am sure they will implement legislation to outlaw this type of software.
Israel could always do with an extra friend or two and providing this software gains them a friend while costing them nothing.
The geopolitical clout of the US and Saudi Arabia are in decline.
The only way this backfires is if somebody sends men with guns after them.