Correct - thank you for correctly grasping the main point,...
As I was in both of those examples pointing out where technical analyses go wrong,..... we are in agreement here,...
I suspect that different strategies are differently effective depending on who is applying them, and upon how predictable the models make short-term extrapolation.
And yes - it might digress into an 'arms race' of sorts if too many people are attempting to play the same version of the game,... Hence:
That's why I play a different game and don't actively trade in & out,...
Which historically has worked out quite well for me,.....