If the Muslim governments of the Arab states and the secular government of Indonesia (the most populous muslim nation) allow Christians in their countries to call on God as Allah, you have to either accept:
1) Christians cannot call on God as Allah ; the Arab States AND Indonesia have wrongly interpreted Islam – OR
2) Christians can call on God as Allah and there is nothing Theologically wrong with it.
If there is nothing wrong with it Theologically, then why is UMNO making so much noise? Otherwise, what makes you entirely certain that everyone else in every nation got the interpretation of Islam wrong , and only our wise Malaysian government got it right?
Of course, that is where we stand.
Choose where you stand.