This is a dumb comparison
lets see what both have to show for cutting monsters

MHW:
+ Better graphics worthy of current gen hardware
+ New Tracking system
+ Open world where monster can interact with each other
+ New weapon movement for the new hardware
+ Promise to include more monster in future patches/DLC

- Lazier weapon desings
- Easier monsters

Pokemon Sword and Shield
+ New characters
+ New Pokemon
+ Raid battles work as bosses

- Re-used animation from past games
- Re-used Models from past game
- Re-used battle mechanic from past game down to the scaling of the pokemon being the same
- Barely an improvement visual wise
- Removes mega and z-moves with a new gimmick that will also be forgotten
- Open world area with outdated details
- No promise to include Pokemon in Patches/DLC

That and as I pointed out in my below comment, capcom are actually updating their game to include fan favourites people missed, which GF has said they have no intention of doing.
ofc the guy who made the original tweet basically dismissed this as "it doesn't count"