Why is creating three or more Search Ads per ad group a best practice?

Question

Why is creating three or more Search Ads per ad group a best practice?￼

Accepted Answer

Having more ads in an ad group allows Google to serve the best-performing ad for each specific auction.

Answer

Having more ads in an ad group increases the chances of showing more than one ad per auction.

Answer

Having more ads in an ad group means lower bounce rates for landing pages.

Answer

Having more ads in an ad group means the ads will receive a higher-quality score.

Why is creating three or more Search Ads per ad group a best practice?￼