The reason God now objects to be called a father because there are certain sects that have seperated from Islam (the true relgion since the word beand took Jesus as a literal son.
The Son and Father (God) relationship was metaphorical.
Assalamu Aleykum Brother Abu IBraheem,
I was just wondering, is that stated in Islamic sources, that it is the actual reason, or is it just derived from thinking?
Just wondering, please do not feel offended.
Your brother
Eesa.