What issue can arise in interpreting “wa-laqad yakūnu bihi al-zamān bakhīlā”?

Ighārah and Maskh: Recasting Verse, Eloquence and Literary Appraisal

• Entirely disregarding the temporal force of “yakūnu”
• Coherence of generosity, miserliness and their temporal relations
• Combining generosity and miserliness in the same respect without a cue
• Breaking the rhetorical link between original and reworking