Adjective

(en adjective)

Man-made; of artifice.

* {{quote-magazine, title=A better waterworks, date=2013-06-01, volume=407, issue=8838

, page=5 (Technology Quarterly), magazine=(The Economist) citation , passage=An artificial kidney these days still means a refrigerator-sized dialysis machine. Such devices mimic the way real kidneys cleanse blood and eject impurities and surplus water as urine. But they are nothing like as efficient, and can cause bleeding, clotting and infection—not to mention inconvenience for patients, who typically need to be hooked up to one three times a week for hours at a time.}}

False, misleading.

Unnatural.

Adjective

(er)

Having or displaying faults; not perfect; not adequate or acceptable.

They replaced the faulty wiring and it has worked fine ever since.

I don't think you can infer that from the premise. It's a faulty argument.

(obsolete) At fault, to blame; guilty.

* 1590 , Edmund Spenser, The Faerie Queene , II.iv:

Her faultie Handmayd, which that bale did breede, / Confest, how Philemon her wrought to chaunge her weede.