The media's heavy hype actually made people suspicious.
Tips
usage
Nearly always negative or suspicious — "大肆" means "without restraint, unscrupulously". If the hype is positive, prefer 大力宣传 (dàlì xuānchuán), which is neutral.
mistakes
Don't confuse 大肆 (negative: "wantonly") with 大力 (neutral: "vigorously"). Same syntactic slot, opposite tone.