20:24 Southampton Central to Swindon due 22:29

This train will be terminated at Westbury.It will no longer call at: Trowbridge, Melksham, Chippenham and Swindon.This is due to a member of train crew being unavailable.

I guess they just don't care ... that was the very last Sunday evening that train was supposed to run through from Westbury to Swindon!

True enough - although the notices on the web site seemed to indicate it was pretty well all cleared up by that time. 

We should also note (in FGW's favour) that the removal is this service is balanced by the addition - in theory at least - of a service some 4 hours earlier, and a new southbound service too for a Sunday which I congratulate them on providing; a first tiny step in the right direction.  But this is "theory" for a few weeks at least - disruption cause by engineering works for uncounted weekends to come ...