The economic and technical consequences of stressing one viewpoint (to spend) over the other (to earn) are profound and irreconcilable.
1) Base layer protocol or high-powered money, base money: gold, fiat paper currencies, and Bitcoin.
2) Secondary and outer layer protocols or payment networks: banks, PayPal, ApplePay, WeChat Pay, and the LN.
Or, can #Bitcoin exist solely as a store of value? The conflicting views of Bitcoin as primarily a SoV or a payment mechanism have existed since the beginning.