Honestly, for me is a yes.
In my eyes, Splinterlands is FIRST a game and THAN an investment: giving more resources to the DAO will help the sustainability of the game (because Splinterlands is a GAME) in the long-term, giving the DAO the ability to distribute more rewards to the players, fund tournaments and liquidity pools, promote the game to attract new players.
In fact, one aspect investors should keep in mind is that without a solid player base Splinterlands assets are worth 0$: who is going to buy your cards if the game is not fun and rewarding? who is going to stake SPS (thus not selling it) if it become the token of a dead game? who is going to sponsor tournaments and players if there are only investors and no players because the game has nothing to offer?
The gaming part is what keeps Splinterlands going: people buy Spinterlands assets because they hope to have fun and/or to earn something. That, and only that, allows investors to buy assets to rent and lend them, thus getting an income and a return on their investment.
If people in the first place didn't want to play the game, no one would have been allowed to rent, lend or sell anything.
Wise investors should vote thinking at what would help improving the game: make the game fun and rewarding and you'll see your assets gain value.
Voting only to preserve the value of your investment, saying "no" to everything that seems lowering your passive earnings in the short term, will slowly but surely kill the game and, with it, all our precious investments.
Good luck selling a card of a game nobody wants to play.