Okay, so if they're still around in 2060 or 2160 or 20060 one of you is right, if you're not the other one is.
Obviously, if Jews don't consider Messianic Jews Jewish, then they aren't considered Jewish by Jews and protestations to the contrary aren't going to change that.
But if Messianic Jews continue to exist without being assimilated or absorbed by the Christian or back into the Jewish community, some rethinking might be in order.
"Fraud" is pretty harsh in reference to anyone's religious views, though.
To be clear, I am not calling their religious beliefs fraudulent. Their nomenclature is.
I say this because they are Christians but they don’t call themselves Christians; instead, they call themselves Jews.
They call themselves messianic Jews in order to trick Jews into thinking that they can be Christians and Jews simultaneously, and in the Jewish faith this is impossible (in the Christian faith it has been impossible at least since the Council of Nicea in 325).