except the era of virtual console...these sites have not injured any of nintendo's income,
i agree with the persevation idea.. it's old games, they should be preserved and available to people to enjoy, not re-packaged and sold in proprietary devices that will get obsolente in some months tied to DRM accounts and bullshit that get their servers shutted down after some years and we are forced to move again and buy the same "vintage" games on the newest proprietary device etc...
plus. like if nintendo or any company sold the entire romsets.. they only re-sell a few titles they choose to... and put shitty restrictions...
roms for life.