Schema is infrastructure, not a shortcut
Structured data can state what a page is, who wrote it, which organization owns it, and where questions and answers appear. It must match visible content. Fake authors, fake FAQs, or unsupported organization data reduce trust.
What to prioritize
For most sites, Organization, WebSite, BreadcrumbList, Article, and FAQPage are the practical starting point. Consistent name, URL, logo, sameAs, author, date, and topic matter more than adding many templates.
Real value for AI
AI systems may understand structured data through search indexes, knowledge graphs, page text, and crawl output. Schema reduces parsing ambiguity and entity confusion; visible content still decides whether a passage is useful.