Thats not a valid excuse when one of the selling points to the consumer in the trailer is "you prop out the stand, slide them out and play whereever". Its like going from 3DS's seamlessly talking via streetpass back to the gameboy colour days of "they can connect wirelessly IF you lay them down, point them right at the reciever and dont break contact for a second".
This is meant to be modern hardware releasing in 2017, planning around hardware faults before its even released is being far too kind. This is not good guy nintendo taking one for the team, this is a corporate product with glaring flaws.
and lets be honest here, a good portion of this is brand loyalty. Were this someone other than Nintendo this would not be getting such a bizaare free pass from people paying in this day and age for controllers with flaws that should never have passed R&D to be okayed for a final retail build.