I disagree. It was totally foreseeable. I recall former GM Jim Bowden saying it wasn't a good idea and then there is the much maligned Bobby Valentine. BV may have be a difficult personality but he does know his baseball and he was right about Bard. BTW the problem isn't going from starting to relieving it is the reverse that is the difficult transition and many can't make it at the major league level. And it wasn't like this was th first time Bard tried to convert to a starter and failed.
"Drafted as a starting pitcher, Bard spent the 2007 season in the same role starting all 22 of his appearances in 2007 with the Greenville Drive and Lancaster Jethawks. Unfortunately for Bard, the results were disastrous: He posted a 7.05 ERA between the two levels, and walked 78 batters in 75⅓ innings pitched.
Because of the poor success starting, at the end of the 2007 season Bard was moved into the bullpen to pitch as a reliever.[4] While pitching out of the bullpen in winter ball in Hawaii, Bard put up a 1.08 ERA in 16 appearances. While control was still an issue, there was still a large improvement."