As a player who has been playing since day 2 of Vanilla, I wouldn't.
The most legitimate thing about "legacy" content is that server communities are more meaningful. That is not something you can bring back with a legacy server because the demographic of the player has changed greatly as well, and the same demographic group that play the game now have different expectation than the same group 10 years ago.
Aside from that it's mostly just nostalgia.