A small set of hosts intersecting with those 10 also ditched their netnews newservers because of, as you say, "think of the children." The abandonment was by the ISPs, not so much the users.

95% of a full NNTP server feed was pr0n warez and spam - particularly in alt. - but the remaining 5% in for ex comp.* and sci.* is sorely missed and yes, to my neighbor replies, the nnrp clients _were_ more useable and useful than the broadly dispersed grains of unrelated phpbb servers we have now [this para is admittedly anecdata based on my time as a newsadmin\