My own opinion is that it’s not worth much to argue over the boundaries around a vague term like ‘religion,’ and of course the question should not be ‘Does the Singularity hypothesis share some features with religious hypotheses’ but instead ‘Is the Singularity hypothesis plausible, and what are its likely consequences?’
The Singularity as Religion (yes/no links)
The Cult of Kurzweil
The Singularity as Religion
Rapture of the Nerds, Not