In a pinch you grab what you can, and if what you need is USB-C, you have a lot more options.
>Are you, uh, powering a desk fan off your phone?
No, but I power it with a USB-C cable.
And with a phone having USB-C I can just use the same to power my phone when I want. Or power my phone from a powerbank without another cable specially made for this brand of phone.
> no USB-C desk fan
Are you, uh, powering a desk fan off your phone?