Why not, because it will make them spend more for shipping cost? Recipient of 1st batch not deserve to get same component with later batch?
It will help them preventing many claim because of shorting. This flashlight have flaw (other than not according to specification) that they also stated. We can’t assume all buyers of 1st batch read here and troubleshoot themselves after buy it.
The host should be belong to Jaxman (Jax Z1 host), not sure who doing manufacture/assemble it.