The 3 things I learned when I had my foundation repaired that shocked me: not all cracks indicate settlement
https://manuelrsye832.inkharbory.com/posts/top-3-things-to-know-before-calling-a-foundation-repair-company-for-basement-waterproofing
The 3 things I learned when I had my foundation repaired that shocked me: not all cracks indicate settlement, some are shrinkage, and pattern matters more than size alone.