What is a sound rhetorical inference from fronting li-saʿyihā?

Supplementary Practice 28 — Comparative Rhetoric of Sūrat al-Aʿlā and Sūrat al-Ghāshiyah

• Fronting necessarily produces absolute restriction
• The preposition has no relation to the faces
• Fronting turns rāḍiyah into an imperative
• It highlights the basis of satisfaction, without necessarily imposing exclusivity