Actually, on re-reading this I realise I've replied to snark with snark, which I think is a bad thing and I try never to do. Apologies. It's too late to delet

Actually, on re-reading this I realise I've replied to snark with snark, which I think is a bad thing and I try never to do. Apologies. It's too late to delete or edit it, so I'll have to let it stand, but I'm sorry for replying in anything other than an explicitly positive and constructive tone.