if there is new better crypto with some guarantees of value - all BTC folks will sell at the top and jump ship. For example imagine European central bank create

if there is new better crypto with some guarantees of value - all BTC folks will sell at the top and jump ship. For example imagine European central bank creates its own "green" reserve crypto mined only with green energy and guarantees free circulation and acceptance in eurozone. Embrace-Extend-Extinguish framework can be applied to BTC to kill it with a better alternative, and the higher price for BTC is the stronger incentives to sell at the peak and move elsewhere to more stable place