Bitcoin Cash is bitcoin heir when Bitcoin max supply reached

Bitcoin and bitcoin cash having the same number of coin circulating supply and max supply, but they are completely different in prices because Bitcoin cash have few investors for the reason thats its looks like Bitcoin in so many things including their logos also are somehow similar.

So that's means Bitcoin cash could be the Bitcoin heir after the max supply of bitcoins has reached and the bitcoin price to the moon, so that's people will start using Bitcoin Cash as it was in Bitcoin and give it high worth