It had better outsell PS4, if it doesn't that will be very bad for the Japanese console market. Switch has to sell to both the home console and handheld user base, The handheld user base is clearly larger than the Sony home console user base. If the handheld user base stays away from Switch in Japan then that's a major problem.
“The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.” - Bertrand Russell
"When the power of love overcomes the love of power, the world will know peace."
Jimi Hendrix