This feature put a premium on a broad-based reduction of funding constraints for banks rather than on direct interventions in multiple market segments via outright purchases of assets. Let me add: this feature also puts  4  BIS Review 23/2010  a premium on the recapitalisation and, where needed, restructuring of European banks, as repeatedly stressed by the Governing Council.
Where appropriate, however, direct interventions were undertaken, as exemplified by the covered bonds purchase programme.