What makes sawfa taʿlamūn a warning rather than a reassuring promise?

Supplementary Practice 19: Comparative Rhetorical Analysis of Sūrat al-ʿAṣr and al-Takāthur

• The claim that sawfa always signals threat
• The claim that taʿlamūn is inherently negative
• The presence of an interrogative particle
• Kallā, the graves and the later context of judgment and Hellfire