Reports become test cases the matcher is graded against before an update ships.
Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math,
and examples like yours decide which differences should count.
Cavalry Master74%
$0.16↓#27167↓0.12↓20.0 years
"Other creatures you control with flanking have flanking."
gives-flanking, block-trigger, hate-blocker
Agility73%
$0.20↓#24561↓0.00↓30.0 years↑
"Enchanted creature gets +1/+1 and has flanking."
gives-flanking, block-trigger, hate-blocker
Jabari's Banner73%
$0.24↓#27567↓0.00↓29.4 years↑
", : Target creature gains flanking until end of turn."