"In order to change an existing paradigm you do not struggle to try and change the problematic model. You create a new model and make the old one obsolete"
This is just the microcontroller burned with the USBtinyISP firmware code. If you're buying a kit, this is included. This is intended for people who are buying just the PCB or are experimenting with the kit and want a backup chip.
This is an Attyiny2313-10PU (datasheet) burned with USBtinyISP firmware.