Heh, that's my video! Thanks for the shoutout.
Galaxy has the other approaches too, you can see a Tongue Fountain over in Beach Bowl Galaxy.
https://noclip.website/#smg/HeavenlyBeachGalaxy;ShareData=AA...
A few of the effects also have variants of the "Wormy Fountains" style, most notably in the Warp Pod code. Their particle system lets them do those sorts of "Stripe Particles" as they call them, as well.