Right now Bitcoin mimics big movements of stock market - yesterday it had another dip just like the stocks did. Global economic collapse would likely be disastrous for Bitcoin if it will happen in the coming years. Maybe in some very long run Bitcoin will become closer to gold, but we might not have that much time to wait.

I don't think that economic collapse is something we should be hoping for, even for hardcore Bitcoin hodlers it will be bad news, as there will be massive unemployment, shortages, social turmoil, etc.