Yeah, direct radio communication beats an ad-hoc WiFi network anyday but a solution that you have got beats one that you don't have. And WiFi-enabled stuff (lap

Yeah, direct radio communication beats an ad-hoc WiFi network anyday but a solution that you have got beats one that you don't have. And WiFi-enabled stuff (laptops, smartphones and who knows what else) is much more ubiquitous than amateur radio gear. The solution in the article is not meant to replace radio but to work when you don't have one.