That's what I've been wondering. I get that most of the above discussion focusses on the wattage etc that enhance speed of charging of devices but with going HLO more and more, simplicity is important to me and my 'old' adapter and output block does fine (with tape to cover the night-annoying LED)
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It would be better with another USBC but I also carry a C to A converter.
Its 18W

. I'm certainly not the road-warrior that some here are, and travel with a tablet not a laptop but in general I charge overnight or directly when I'm using the tablet so don't see the need to buy a new, fast non-adapter unit. But obviously many do! But it should be a plug adapter as well.