I tied countless mixes of export options together with merged or unmerged geografts, each combination causing different problems or artifacts. But what was constant that when using merge, the exported model would have duplicate renamed bones in its hierarchy. Try it even with those unfortunate separated eyelashes, but imagine what happens when trying to export i.e. Genesis 2 with 3feetwolf female genitals or Geneis 8 with Golden Palace v2!