It's not going to revolutionize the world. Best case scenario, it will be a somewhat less expensive version of fission with better long-term safety features.

What people should be excited about is the killer combo of solar/wind/batteries/hydrogen. Current retail costs for electricity are ~$130/MWh and they're now projecting $5/MWh with an 80% renewable grid (source) and just $39/MWh with a 100% renewable grid (source) by 2050.