Farewell, Reg Varney

I have fond memories of Reg Varney as Jack Butler in On The Buses, and for his variety performances that were screened on TV when I was a kid. But I didn't know that Varney - who has died at the age of 92 - was the first person to use an ATM. According to this report, he used a cash machine at Barclays bank in Enfield, North London, in 1967. How come, then, when I first came to the UK 20 years later, ATMs were still as scarce as the proverbial hen's teeth?
PS: The same article reveals that Stephen Lewis, who played the apparently ancient Inspector Cyril "Blakey" Blake, is now just 72 - meaning he was only in his mid-thirties when On The Buses was in its hey-day. Amazing.