Possible Clues:

• Unfussy consumers of old French wine upset going through customs
• Unfussy consumers of noir movies ignoring current shot
• Everyone in Rome crowds quartet there: men who'd take it all in?
• Badgers and crows
• Their appetites are all-consuming
• We take everything in!
• Flash up revised version: we'd all scoff!
• Undiscriminating consumers
• They eat anything