Does the MD-11 autopilot stay on or kick off during an autoland G/A?

Here are the conditions during an autoland approach (tested in the simulator):
MD-11
450,000#
Flaps 50
No difference whether in Single Land or Dual Land.
G/A button pushed WITHOUT moving throttles:

1) Pressing G/A button as low as 10' (throttles in "Retard"),
IF the airplane DOES NOT touch the runway:
- All three throttles come up,
- Autopilot stays on-
- a "Normal" autoflight G/A as we'd expect.

2) Pressing the G/A button just BEFORE touchdown,
If the airplane DOES touch the runway:
- Spoilers deploy
- Only throttles 1 + 3 come up
- #2 throttle only partially comes forward
- (Spoilers stay deployed)
- Autopilot STAYS ON.
- Airplane goes into an automated G/A with spoilers deployed and partial #2 throttle. ["Ugly"]
- NO Tailstrike occurred (tried several times)

3) Pressing the G/A button just AFTER touchdown (or anytime after touchdown or during "Rollout"),
- Spoilers deploy
- Only throttles 1 + 3 come up
- #2 throttle only partially comes forward
- (Spoilers stay deployed)
- Autopilot KICKS OFF.
- Airplane pitches up into a G/A (with A/P OFF!) with spoilers deployed and partial #2 throttle. ["Very Ugly"]
- Tailstrike DOES occur at 12.8 degrees (tried several times)

Again, all of these were tried with no touching of the yoke or throttles, only squeezing the G/A button.

Lesson Learned:
If you Go Around, you MUST, in addition to pushing the G/A button:
1) Push all three throttles forward, and
2) Be prepared to manually fly the correct pitch attitude to avoid a tail strike if the autopilot kicks off.