I'm going to explain to all the younger posters here why this question is dumb. If you started paying attention to videos after both were released, it might seem like they are comparable, but they aren't.
Suciu was a California kid sponsored by a major company who had a budget/opportunity to skate and film all over the country for a part that was released by Thrasher magazine. While the part is amazing, there was no shock to the idea that a California kid, sponsored by Habitat, who had already released parts with them, and was having his part released on thrasher would be good. It made sense, even if it was better than most.
PJ Ladd had a couple clips here and there in 411s and stuff, but was still virtually an unknown at the time. His part was in a shop video released from a random shop in boston most people hadn't heard of, and unless your shop was called FTC, shop videos weren't really a thing at all at that time. It wasn't supposed to be a video part that every skateboarder saw. Despite not having any advantages or expectations before its release, it was an overnight sensation. This random kid, skating random local spots, for a random video somehow released a part that was better than any part released during a time when companies were flying all over the world with some of the biggest budgets ever to make major skate productions. The part had amazing skating, but it wasn't just about the skating, it was about the way PJ exploded with that one low release part
The thing is, by the time Suciu was filming cross continental, with who he was filming with,and for who he was filming the part for, it didn't matter how good of a skater he was, he simply wasn't in the kind of position to explode out of nowhere like that. I know this seems weird because they skate much differently, but if I was going to compare WHL to any part in terms of impact, I'd compare it to Trainwreck in In Bloom or Scott Kane in the bootleg video. Coming out of nowhere, nobody knew who they were, and without any build up, were amongst the best at what they did. Still, PJ's part was more epic. I know it sounds classically "bitter old dude" but you kinda had to be there to understand why the impact around that part.