- no portability for jp, bad sales in japan
- no local play
- crossplay from ps4 / community splitted in 5 console for the same franchise
- the game will not appeal the mainstream west gamer
- spike difficulty from the start for new players (if the gameplay of the game stay the same as the other mh games)
- no dark souls factor that make the sales of the games go up because of the word of mouth from the "challanges" that the game will make
- not interesting envirment/style for the western mainstream gamer
- grinding, not interesting for the western gamer (if the gameplay stay the same as other mh)
- losing % of the enstablished western community player because of the change of console
- drastically changes may turn down many old time fans
I can go on and on, but the point is that: on paper it's predicted to be a really really really hard challange for capcom
And no, even if it was on switch this game could potetially has be a failure on sales numbers, but probably less than releasing on a home console without local play (for the jp audience at least)