[Bug][1.20.1] Iron Ladders lack collision

[Nereithr]

Freestanding Iron Ladders have no collision, unlike every other ladder. Here is a tiny video demonstrating the issue.

laddersmol.mp4

latest.log Pastebin link

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Forge 47.3.0
Quark 4.0-460
Zeta 1.0-24

The only other loaded mods are Embeddium, EMI and Better Controls (modifies sprint/crouch key behaviour), but the issue occurs without those as well.

[Partonetrain]

This appears to be intentional

[Nereithr]

I thought of this possibility (considering Quark adds seemingly collisionless ropes), but it just seemed a bit weird to have what is, in theory, the most solid ladder to be the one ladder in the mod without collision.

Should I close the issue?

[Partonetrain]

No, we'll wait for Vazkii's comment. I agree that it is strange.