Perhaps Dr. Duff hasn’t logged in in some time to where he might see the tag. I think the charitable view would be that he is not ignoring your post on purpose.
A little gentle pushback: If the moderators had to flag every statement BioLogos disagrees with here, cautioning people to be more respectful to Scripture and tone-policing, they would accomplish little else in their work day! 
@BradKramer does occasionally come through and weed out posts that most clearly violate the community guidelines, which requires “gracious dialogue,” defined as
-Focusing on a commenter’s arguments, rather than an assessment of their character
-Contributing thoughts to the topic at hand, rather than veering discussion off-topic
-Assuming legitimate Christian faith on the part of other commenters, unless they identify otherwise
-Showing eagerness to learn from perspectives of others, rather than simply reminding others of the rightness of your own position.
At times he’s gotten a good bit of flak for that, because in at least one case I skimmed, some people came away feeling he was throwing the baby out with the bathwater, deleting otherwise informative posts that happened to be too cutting in their tone.
I haven’t seen him weeding out people’s posts for not taking a high enough view of scripture, though, and I actually think that’s a good thing. I’m not sure they should be policing these things, even if they could find funding to pay someone to lurk on the forum all hours of the day and censure all the lower views of scripture. I mean, such judgments are always subjective: One man’s “high view of Scripture” is another man’s “hopelessly liberal view of Scripture.” Also, sometimes a post comes from someone who’s holding onto faith by a thread, and they need to know this is a safe place to air views where they are trying to hold onto Jesus even if they view some parts of Scripture with suspicion. Other times, it’s good to have a place where people with different views can hash it out, and we hope that folks with a higher view of Scripture will win out in the end.
At any rate, I hope Dr. Duff responds soon, and that you find his response helpful as you reflect on these matters.