Poor man's WiFi jamming

Sometimes it might be interesting to saturate a particular WiFi channel with user traffic, but you don’t have any WiFi adapter under the hood and you have only a regular Macbook with MacOS. Hopefully a couple of useful tricks could be used : create an ad-hoc network of your choice (2.4Ghz or 5Ghz) and add some static IP send some broadcast traffic on that IP range with a large size, to avoid frames to be acknowledged at MAC level, while using the largest airtime possible (i.