Huh? The current WR actually picks the wrong culprit, so they didn't actually finish. Shouldn't that run be disqualified?
I made a demo of a TAS for the PS1 version. Unfortunately, most of the game is "hold right" so a TAS doesn't have a lot of opportunity to show off crazy stunts... anyway so I canceled the project and just uploaded this demo instead.
For the curious, I tested the vine glitch. You want to perform that glitch as low as possible to get the maximum speed boost as shown in the video.
The summary is: You can get infinite money before the 23 minute mark. Any run other than any% should use follow this opening. You will instantly save time on all currently published runs that need money.
Basically, all current best runs are doing it wrong. Anyone who wants to use these techniques, you are guaranteed first place ;)
Random note: In addition to loading times, the PS1 version also runs about 6% slower during gameplay (confirmed with side-by-side comparisons of the first 2 seconds of the game). Even with a TAS, I am only able to get about 1:15 on the first level, but the PC record is 1:11 (about 5.6% slower).
At first I thought it might be from lag, but I think actually your movement speed is just a bit lower.