Your grasp of history is ephemeral. Malaysia and Inodnesia have more differences than affinities. There is no love lost. If they are blood brothers lovers than neighbours, we wldnt have Confrontasi. At that time, S'pore would have been sunk as it was sticking too much like a sore thumb as a Chinese island amongst powerful Muslim neighbours.
Spore wants water, sand, M'sian labour,... If they did what the Isralis's did to Lebabon the cost be be high.
How do you think Indonesia will respond to an attack on a muslim neigbour
Best solution is to surrender to Malaysians & have them kick out the PAP