The real issue I think is PS4/XB1 just have a lock on this market. FIFA is THE game for a lot of people in Europe, so in a way being in a football crazed market like the UK may work against the Switch than for it.
Even if it had every feature, would you be able to play it with all your buddies who have the PS4 version? Would you it have the same exact graphics?
No and no.
That and there's been tremendous damage done to Nintendo's brand for years (decades even) of not having key third party content so at this point, people simply don't expect it. It will take a while for that stigma to be changed.