From personal contacts, directly within the medical community, I can assure you that the measures did not eradicate the virus. If anything, the combination of a

From personal contacts, directly within the medical community, I can assure you that the measures did not eradicate the virus. If anything, the combination of an already dismal state of the local healthcare system, political opportunism and incompetence, and a systemic (and maybe intentional) failure to test even people who had been in substantial direct contact with the confirmed infected, made sure the virus spread quite "successfully". While in theory your logic might hold, the reality of countries that take such measures, and by which use of power they usually do so, might make that the effects end up almost the opposite of what you might expect.