Historically (pre-1900ish), the US Post Office was the quintessential American government sinecure. The qualifications for postmaster general had more to do w

Historically (pre-1900ish), the US Post Office was the quintessential American government sinecure. The qualifications for postmaster general had more to do with campaign contributions than talent or interest. Thankfully, largely reformed with the merit based civil service changes, but passing those was a struggle! So I'd be hesitant to assume than anything lucrative and government-run won't face substantial corruption pressures.