it appears we should get into a less contentious discussion about RTO's after V1
the Boeing push is a secret?
my stance most flight handbooks stipulate somewhere that " this manual is not intended to replace prerequisite flight skills"
spoilers do increase drag and can create directional control problems
and you can 'feel an airplane'
there was a famous TP who did discuss crosswinds and I think you'll find most AFMs in line with what he wrote in a little book for all of us mere mortals
oh and in my best professorial tone
"one should follow the guidance as specified in the airplane flight manual as it IS the MOST authoritative source----
there is a lotta faith in aviation never HOPE just faith
HOPE = Horrendous Outcomes Per Emotions [not my invention]
PA