It is certainly true that the need for bonded whiskey has diminished as producers release non-bonded whiskies of quality, but that doesn't resign it to irrelevance. Bonded whiskies undoubtedly still tend to be higher quality than your run of the mill whiskey release.
Jeremiah Weed campaign, for instance) precisely because people seem to care about that sort of thing. The special releases being made available are not catering to a young crowd at all, but to an older crowd, who (1) can better afford these releases and (2) are in a better position to distinguish their virtues from the more standard releases. Buffalo Trace's recent Colonel E.H. Taylor, Jr. release is a case in point: it is a "special" release heralding an "historic" method, and it is bottled in bond no less. The excitement surrounding it is palpable, but at ~$70 a bottle, I doubt very much that anybody but those with the money and the interest—the older crowd, in other words—will buy it.