I've never like the Multiple Worlds interpretation -- each bifurcation splits the entire universe and there are a stupendous number of bifurcations every nanose

I've never like the Multiple Worlds interpretation -- each bifurcation splits the entire universe and there are a stupendous number of bifurcations every nanosecond, resulting in a ridiculous number of universes made of energy and matter (which is also energy). So... where does all that extra energy come from?