A glitch from the original Doom 3 makes a return, authentic nostalgia or lazy conversion?

Doom 3 was id Software’s attempt at bringing back its slumbering franchise, and its arrival on PC met with critical praise back in 2005
A new Doom 3 mod paints the title with Doom Eternal's colors, inducing faster-paced gameplay and a variety of other gameplay enhancements.

BLG writes, "Plug in your electric guitars and start shredding; we’re making a list of the DOOM games ranked.
Trying to decide the best DOOM game is like deciding who your favorite child is. You love every one of them, imperfections and all."
So what's the glitch? The ladder's unclimbable?
Played through the area with no issues at all....
Fake!!! Past it with no problems and its sad someone took their time to even make this fake video.