Call that clever? Using open guest Wi-Fi is a HUGE security gamble for any business call. That stuff is never safe, you might as well send your client details out in the open. Proper planning means having your own mobile data backup, not hoping some random network saves you. Real professionalism avoids these shaky setups completely.
Used to brush off using public Wi-Fi for work calls. Your point about it being like sending details out openly really got to me. Now I see why a personal hotspot is crucial.