I haven't found this to be a problem in practice. I have two USB-C laptops -- a ThinkPad T480s and a MacBook -- and both of them work fine with my USB-C dock, a

I haven't found this to be a problem in practice. I have two USB-C laptops -- a ThinkPad T480s and a MacBook -- and both of them work fine with my USB-C dock, and with each others' chargers. That's all I need.