My favourite alternate Jewish resettlement proposed was Alaska, of all places.
He’d probably be disappointed that his Arab allies hadn’t yet destroyed them, or that the world (no doubt now dominated by Judeo-Bolshevist…what do you mean the USSR has collapsed?!) failed to respond to its creation. No need to guess though, in his talks with the Grand Mufti of Jerusalemtold him;
According to Kershaw the anti-Semites proposed it as they saw Madagascar as essentially barren and far away enough that the Jews shipped there would be cut off from their racial brethren planning world conspiracy and find survival hard enough that a good number would die;
Disappointed, but hardly surprised, inasmuch as he believed Arabs were racially inferior, and besides, he only had the support of portions of the Arab body politic anyway. The Marxists and other leftist Arab sectors saw Nazism as just as imperialist as the French and British.
I never got the idea Hitler personally cared much about anti-Semitism or Germany for that matter. I think anti-Semitism was popular at the time and he told people what they wanted to hear. Ultimately he was an egomaniac and a misanthrope above all else.
I think he might actually have admired Israel ironically if he was alive today. He’d probably hate how pacifist and tolerant Germany has become.
While there were certainly more vulgar and violent anti-Semites in the NSDAP than Hitler, he certainly wasn’t just faking it for political gains, he believed it 100% and stuck with it from the beginning of his political career to his honeymoon when he put a bullet in his brain pan;