Because it is usually two lines on a domain chart. Everyone agrees the gap should close and nothing follows, because a domain is not something anyone can work on.
Competitor analysis compares your pages against named competitors' pages, cluster by cluster.
For each tracked cluster it shows who ranks, with which page, and what that page covers that yours does not — the same analysis Growth runs on your own content, applied to theirs.
A cluster you lose to one competitor page shows that theirs answers six questions and yours answers two. That is a brief, not an observation.
It will not reveal their strategy or their data. Growth sees what is published and what ranks; anything beyond that would be a guess.
Ranking pages per cluster, their coverage, their link support, and where you are ahead as well as behind.
You name them. A generated list is usually wrong about who you compete with.
Yes, since competitors differ by country.
Yes, which matters for deciding what to defend.
Fourteen days, every module, no card. Or half an hour with someone who will run it on your own records and tell you where it does not help.