The truth is even more one-sided.
Yes, some Arabs were expelled. Their villages were in the wrong place, they were hostile to the Jews and they had to go. That was tragic but a necessary part of war.
But all the Jews living in Yesh"a were expelled. All of them. And no one seems to think that was wrong. It was a crime to kick out the Arabs. It was not a crime to kick out the Jews.
Israel had to keep its Arab minority. The Jordanian and Egyptian occupied territories did not have to readmit its Jews.
That's because, underneath it all, the official attitude is still that the whole of Israel is Arab land, the Jews living on it are living on it by force and if there was justice, Israel would be replaced completely with Palestine. That's the real danger of the message of "The Nakba".