[dddddaviddddd]

At least on older models, the drivers (e.g. Broadcom wifi) exist but aren't distributed with the OS installer due to licensing restrictions.

[shadowoflight]

Unfortunately, this is no longer the case. Linux support for WiFi, audio, and suspend/hibernate has been completely broken on 15” MacBook Pros since the 2016 models hit (WiFi still works on the 13” MBPs, afaik).