GP is agreeing with you. The phrase "perfect is the enemy of good" is a criticism of striving for perfection when you could be doing other good stuff in the me

GP is agreeing with you. The phrase "perfect is the enemy of good" is a criticism of striving for perfection when you could be doing other good stuff in the meanwhile. That is, perfect (waiting for super accurate tests, etc) is the enemy of good (testing temperatures, wearing basic masks now).