The moving part of moving in reverse skill order actually penalizes higher-skill pilots via the collision mechanic. As has been pointed out in discussions of the Imperial Swarm build (lots of low-skill TIEs), lower-skill pilots get an advantage in that (1) they know exactly where everyone will be when they execute their movement, so in principle should be able to avoid collisions, and (2) they can block higher-skill enemy pilots, maneuvering to where they think they will go in hopes of making them collide. The point of all this is that if you collide with another ship, you cannot take any actions.
The advantage to moving last is in the actions: you can choose actions after others, which is a big deal. This includes barrel rolls, which provide a limited form of movement reacting to enemy movements, and the interaction of Expert Handling and Target Lock (e.g., If Vader has Expert Handling, only Wedge can guarantee that Vader can't shake off his Target Lock). Likewise seeing where everyone else will be during the Combat Phase lets you make the most informed choices about Evade, Focus, etc. (e.g., don't bother Evading if you move last and no enemy has you in their sights).