Hi Karl,
We have always (or for quite some time) loaded beacons from comScore and Quantcast. There was a brief period (until only a day or two ago) in which these were not being loaded in the new
Disqus 2012 commenting embed, but it was never our intent to not load them.
It is vital for our business to have our commenting embed loads recorded by comScore and Quantcast, so it seems doubtful that we would make this opt out. At any rate, I know that it is not on our to do list.
Could you let me know why you want to opt out or why you are concerned about this?
Thanks,
Gabriel