Interventional cardiologists chronically low-ball the dangers of stents and gloss-over their well-known short-term performance. Who'd a thunk that jamming a foreign body in a small artery ends up making it worse in the long-term?
Patients with coronary bypass often have a better long-term outlook, but in many cases the cardiologists simply don't refer to cardiac surgeons to line their own pockets (and admit "defeat").