My comment whenever I play Melee with my friends: "Smash 4 is the better game"
+While limited, the important tech isn't based on glitches
+Generally more balanced, with more than 5 characters being really viable. Compare the Melee and current Bowser vs anyone from that was in Melee matchup.
+More diverse cast, with overall more interesting playstyles. Seriously, Duck Hunt, Ryu, Rosalina, and Robin would have just made the disk melt.
+More forgiving, accesible, controls. Input buffering, and the changes made to air dodges and ledge mechanics are all positive things.

t/dr: Melee is a great game, but, Sm4sh is still better made.

Things winning won’t bring back:
DK’s Bananas
Kirby’s cake
Samus’s parents/The Chozo
James McCloud
Jigglypuff’s Relevancy
The F-Zero Franchise
Claus
Every Fire Emblem character’s Dad. (Except Roy)
Rosalina’s Mom
Aeris
Sonic’s Fanbase