"Thieves" is arguably the best thing the band have ever done and was a period in the bands history when they could do no wrong. Barneys performance was the best to date and is certainly something the band couldn't create if they were together today.
In this phase Barney was a very interesting front man - he'd found his confidence, was lyrically fascinating and was totally non cliched. Even the TOTP of 'Thieves' was great, though it didn't do the track any favours sales wise. Why Barney eventually started playing and singing in a conventional rock and roll structure and (as Brian Eno would say) play 'unnecessary rhythm guitar' I don't know.
Peter Hook stated on tour that Barney was a great lyricist and front man, but preferred his earlier era of how his vocal style was. Barney always banged on about how he was (still) looking for the perfect beat, but why did he end up creating Bad Lieutenant which as a musical force I find unacceptable and all very Seahorses like - i.e superfluous.
'Thieves' reminds us of the era when the band were untouchable and had a point to prove. Sadly, nothing lasts forever...