Different inserts

db.publishers.insert({ name: "Test Publisher", email_address: "test@rtb.com", status: 1, created_at: NumberInt(1571056357) }) // works
db.publishers.insert({ name: "Test Publisher", status: 1, created_at: NumberInt(1571056357) }) // missing field
db.publishers.insert({ name: "Test Publisher", email_address: "test@rtb.com", status: 3, created_at: NumberInt(1571056357) }) // incorrect value
db.publishers.insert({ name: 100, email_address: "test@rtb.com", status: 1, created_at: NumberInt(1571056357) }) // incorrect data type