Why is optimizing your ad rotation when setting up your ads recommended?

Question

Why is optimizing your ad rotation when setting up your ads recommended?￼

Accepted Answer

Google will select the best ad for each auction.

Answer

You’ll be able to serve multiple ads per query.

Answer

Users will be able to review your ads more quickly.

Answer

Users will be able to see more of your ads.

Why is optimizing your ad rotation when setting up your ads recommended?￼