N64 Analogue sticks were not really able to stand up to years of play.
The Wii really suffered badly with dual layer DVD's after the lens had aged quite a bit, which mostly came to light when the biggest dual layer game dropped that being Super Smash Brothers Brawl, there was a massive amount of Wii systems which needed to be returned to Nintendo for servicing to be able to play the game.
https://www.gamespot.com/forums/nintendo-fan-club-1000001/question-about-the-wii-and-its-recent-duallayer-di-26282381/
https://www.reddit.com/r/nintendo/comments/2b5ifl/my_wii_wont_read_duallayer_discs_whats_the_best/
Why not check me out on youtube and help me on the way to 2k subs over at www.youtube.com/stormcloudlive