What is the effect of combining ostentation and withholding al-māʿūn at the end of al-Māʿūn?

Supplementary Practice 21: Comparative Rhetorical Study of Sūrat Quraysh and al-Māʿūn

• Treat ostentation and refusing aid as exact synonyms
• It exposes the inconsistency between outward worship and neglect of others
• Treat the wāw as proof that the prior fault has been deleted
• Read them only as an unrelated sequence of time