All these people only have these problems because they just had to get the very latest version of Adafruit TinyUSB. The Adafruit SAMD Arduino core has a builtin, matched version of Adafruit TInyUSB already, as is evident by looking into https://github.com/adafruit/ArduinoCore-samd/tree/1.7.16/libraries. Thus, the correct way is to absolutely not include TinyUSB in the lib_deps expression. PlatformIO will comfortably find it in the builtin libraries of the Arduino core.
The msc_sd.ino files compiles with the most simplistic platformio.ini just fine. Take a look at