Why should an advertiser consider using responsive display ads?

Questions: Why should an advertiser consider using responsive display ads?

Answer:

• They offer unlimited placement across the web for a lower overall cost than other ad formats.
• They help advertisers and publishers deliver a faster experience to their audiences using AMP.
• They offer advertisers far greater control over where their finished ads display on websites.
• They’ll automatically create ads from your images, videos, headlines, logos, and descriptions.

This question is from Google Ads Display Certification test.