I remember The Twin Snakes getting a lot of flack for its cutscenes despite Vamp literally running on water then vertically up a pillar, retroactively attributed to nanomachines or some other such Kojima Nonsense®. When Snake Eater came out and The Pain was controlling hornets, everyone should have just accepted that this stuff just happens the Metal Gear Solid universe.
The Twin Snakes was a perfectly good remake for its time but probably hasn’t aged well. Snake is so unrelentingly stupid in that story. I get that Snake is meant to be the avatar of the player so NPCs feed exposition and world building to the player through him. Having been established as a seasoned spec ops agent, he just looks and sounds like a total putz. “Security cameras?!” Really, Snake, you’re shocked that a secret government blacksite where a nuclear-armed bipedal tank was developed and tested would have the most basic of security measures?
Adding Sons of Liberty gameplay mechanics kind of broke the game. At the same time, the games are so old now, anyone playing The Twin Snakes for the first time wouldn’t be affected by the changes in the same way. If Konami cares about preserving the story, it’d commission a full remake. It doesn’t so that won’t happen. That said, The Twin Snakes is a perfectly good way of experiencing the story for canon junkies.
I prefer The Twin Snakes because Rob Paulsen was a much better Gray Fox and more importantly, Cam Clarke dialed it up as Liquid Snake. It weirdly feels more in line with the rest of the series than the original.