Saying that Muslims kicked out the jews out off Madina is a good point for muslims .

and jews were neighbors in Madina side by side to Muslims and the prophet gave them all the advantages of being a citizens.

you know and everybody knows that in all the laws of all countries , the punishment of treason is to be executed.
but jews in Madina have communicated with infidels of arabs , and disagree with their teaching in torat"religion of moses" when they said "your religion "worshiping idols " is better than worshiping the one mighty god.

and then they made a conspiracy to kill the prophet just like what they tried to do with Jesus "PBUH" .
then they got exposed .

and the punishment was to kick them out "instead of executed them in Public