With things like quantum tunneling where particles cross barriers that they probably shouldn't, and distant objects in space moving faster away from us the fart

With things like quantum tunneling where particles cross barriers that they probably shouldn't, and distant objects in space moving faster away from us the farther they get, one idea I've had is that naively implementing the universe's simulation in floating point numbers could explain those anomalies pretty easily. You get a lack of precision when your scale gets too tiny or too large.