spoilerons, lessen effective AOA They do not "stall" wing more
In a nutshell - they make the wing follow the line of flight better --which is a sinking angle .
lower wing loading also helps as does lower aspect ratio. (short stubby wings . The airflow goes spanwise and helps stabilize.
The wind? actually makes no difference unless you try to hold the model against moving with the wind.Which is what we typically do without knowing it.