Technically true, and arguably practically true too. Because Toyota do not maintain a stockpile of parts, the supplier and Toyota themselves become practically

Technically true, and arguably practically true too. Because Toyota do not maintain a stockpile of parts, the supplier and Toyota themselves become practically indistinguishable (except one is apparently easier to attack). When taking out a supplier shuts down 14 factories almost immediately, the supplier being a separate company for business, logistical, tax or PR reasons makes no practical difference.