Bloggs,
Perhaps because touch and goes are not a normal operation, the most common outcome is land and stop. Having TOGA available at all times introduces all sorts of failure modes.
Then again, I was on a delivery, new crew wanted some landings and touch and goes. All pre-briefed, SOPs covered, reviewed upon entering pattern. I reset flaps and trim, state "GO"; pilot hails back on yoke putting us in a very untenable position. Survival instinct in me, shoved both throttles forward rapidly followed by Global Express rocketing away at Vref-a bunch. Pilots should be able to do touch and goes--it's basic training.