It's also the organization that rolled out the second large stored-credit contactless payment system in the world (after Hong Kong), and was the first to introduce bank card contactless payments.
TfL may have been innovative a long time ago, but they haven't moved with the times at all. Hell, the Oyster POMs only got contactless payment readers in the last couple of weeks. Prior to that it was "chip 'n' pin" - y'know, the technology introduced back in 2004.