No, attaching the USB-C Snap Hub to both USB-C ports will not damage the MacBook Neo ports. The dual USB-C connector of the USB-C Snap Hub is designed for standard port tolerances.

To connect the USB-C Snap Hub:

1. Align the dual USB-C connectors with the two adjacent USB-C ports on the same side of your MacBook Neo.
2. Press the hub straight in, firmly, until the hub snaps securely into place. Avoid pushing the hub sideways.
3. Check that the white LED indicator turns on, which confirms the hub is connected and powered.

To remove the USB-C Snap Hub, grip the hub body and pull straight out. Do not pull on the laptop chassis.