I believe Elsevier's withdrawal of support was coordinated with the bill being pulled - there's no way to tell which caused which, but we can see who they're giving money to, and it prominently includes Issa and Maloney, who initiated that bill:
+Toma Susi Almost certainly the other way round: their lobbyists got it introduced; their lobbyists pulled support; the bill instantly died. Almost like Issa and Maloney had been bought and paid for.
Okay, thanks a lot +James Duncan and +Brian Glanz for the clarification. In any case it seems clear this was the direct result of the boycott, the first of many one hopes.