This may seem like a no brained topic, but thanks for humoring me anyway.
First off I'm pretty new to Xwing. About 90 days now. Only have played against myself and my friend John.
I watch way more unboxing and games on YouTube than I should and I notice something that happens a lot. A player will reveal a green maneuver on their dial, overlap a ship, then remove a stress (stalling the shuttle is a good example).
The way I play considers this breaking the rules.
The following quotes are from the original core set rule book.
Activation Phase (page 7)
3. Execute a maneuver: Holding the template firmly in place, grip the side walls of the base and lift the ship off the play surface. Then place the ship at the opposite end of the template, sliding the rear guides of the ship into the opposite ends of the template.
Additional Rules
Overlapping other ships (page 17)
Plastic bases overlapping
If a ship executes a maneuver that would cause the final position of its base to physically overlap another ships base (even partially), follow these steps:
1. From the opposite end of the template, move the active ship backward along the top of the template until it no longer overlaps another ship, adjust it so that the template remains centered between both sets of guides on the ships base. Place the ship so that the bases of both ships are touching.
Activation Phase (page 7)
4. Check pilot stress: If the ship just executed a red maneuver, place one stress token near the ship. If the ship just executed a green manueuver, remove one stress token from the ship.
So here is my interpretation. Revealing a green maneuver on your dial, and executing a green maneuver are not the same thing. Stress can only be removed (in this instance) by executing a green maneuver. If a ship is overlapped it did not get to execute a green maneuver because it did not move its ship to the opposite end of the template into the rear guides.
To me it seems no-brainer, but I have seen this many many times on legitimate YouTube channels. If I do play in store tournaments I would like to know if I am correct or is it just something people and tournament organizers allow to bend.
Stalling a shuttle with palp aces makes a big difference if that shuttle still gets to perform actions (or any other ship freely removing stress for that matter).
Thanks