Ok, right, should've read to the end of the thread before posting - turns out he's blocked a few.
I followed Wings old account before it was jettisoned, even interacted 'positively' with him a few times, can't say I've had anything to do with him since.
It's uber annoying to find you've been unceremoniously blocked by folk you didn't even know existed - especially if you go on to find you've similar bios.