Persistent spammers have been undeterred by the spam filters on comments – I’m closing them down for a while to see if I go off the radar.
Apologies if anyone wanted to contribute to any of the discussions here. Email still works. Comments will be welcome in the future!
Edited to add: I’ve opened comments on this post. In the past when I’ve been targetted I just close all past comments and the problem disappears; hopefully that will happen again.