Because it works. I think some experts are too fond of their theory, the beauty and sophistication of it, and forgets about the problem that it tries to solve.

Because it works. I think some experts are too fond of their theory, the beauty and sophistication of it, and forgets about the problem that it tries to solve. Lock-down does work, but only if you can execute it effectively. Apparently that is conditioned on individual countries. Some countries can't make it work, doesn't necessarily means others cannot.