Is it intended that you can’t target Bigby’s hand with Eldritch blast due to it being an object?

@Dior_Saursi @JeremyECrawfordIs it intended that you can’t target Bigby’s hand with Eldritch blast due to it being an object? correct, unless DM rules otherwise

— (((Mike Mearls))) (@mikemearls) July 27, 2016