Did anyone say we could?
I haven't looked at the rest of the thread but so what if we can't? Only Iceland is close to 100%. Scotland continues to be a net exporter of energy - roughly 30% exported in 2015 and I suspect that's increased by now.
If they get knocked out tomorrow and go bust as a result of the lost income, they'll not need to bother about boycotting the 'next European away match'.