[blackguardx]

I would be shocked if most USB accessories didn't work with an adaptor. The old macbook only had two USB A ports anyway. I do hardware development and use a USB hub with my 2015 Macbook Pro. I'm guessing USB-C to to USB-A hubs exist and work well.

[dpark]

Don't be rational with your easy fix.

[ssalazar]

Yes, ditching physical compatibility with nearly every other connector currently in use, in exchange for a millimeter or two of thinness, is the rational option.

[dpark]

Connecting a USB hub to your half dozen peripherals is a lot more rational than expecting Apple to reintroduce USB-A connectors.

[joezydeco]

They exist, but if you read OP's statement "Our engineers refuse to engage in the dongle shenanigans" you can also see that they just didn't want to have more hubs to juggle in the course of their day.