That's exacty what does happen in this forum, every day.
I've seen idiot after idiot, tell Sensors they have no intuition.
Of course people assume you CAN'T DO BOTH.
I've seen others claim people can't use both Ne and Ni.
I've seen others claim people can't use both Se and Si.
We can use ALL of the functions.
Jung encouraged unity of the self, not stark polarity.
And the only reason it appears we have a preference,
is because it is being FORCED upon people.
It's playing a rigged game.
Take out the forced-choice format in all testing,
and people would be eating a lot of crow.