People Also Ask is a Google SERP feature showing expandable related questions and answers.
It matters because technical issues can prevent great content from being discovered, rendered, indexed, or trusted. Strong technical foundations protect rankings during redesigns, migrations, content expansion, and platform changes.
Example
Expanding a People Also Ask question can reveal related concerns searchers may have. Use those questions to investigate genuine information needs, rather than copying every displayed question onto a page regardless of its purpose.