Why not use SQLite's own guidance on where SQLite probably isn't appropriate:

- Client/Server applications (Check)

- High-volumes (Check)

- Large datasets (Check)

- High concurrency, particularly for writes (Check)

https://www.sqlite.org/whentouse.html

There's only one person in this thread trying to put petabytes in SQLite. Everyone else is telling them the myriad reasons why it's a terrible idea.