Come on now gents, does a light-hearted (and actually rather interesting) remark about Child's horticultural hobby really need to fuel further confrontation?

Harkerism gone mad

I can't let that one go. Harker attempted to tear down everything, particularly the work of all the collectors. Roud is building on their work and pointing out its shortcomings where necessary - and as we've discussed he is dismissive of Harker.