Big Tech's CEOs wrapped themselves in the flag and warned about China. Here's why their patriotic appeal was meaningless, misleading, and should be ignored.

· In the congressional hearing Wednesday into antitrust concerns in the tech industry, the four CEOs who testified all touted their companies American roots, and Facebook's Mark Zuckerberg warned of competition from China.
· The appeal to patriotism and nationalistic sentiments is a familiar tactic; the tech companies have...