It will have to play out this decision the voters have cast in stone.
What your suggesting is the Brits don't know what they want from moment to moment they change their minds. Such frivolity gains no respect. Take down the government weekly, pop goes the government form a new one. How many governments can they setup every few months.
US Dollar will strengthen , actually even Russia admits US is the last remaining super power.
Oil will continue down. Oil had moved too fast too far, lots of profits to be taken and they are taking them.