Uh... Most Schemes don't use linked lists under the hood. That doesn't impact the syntax, just the implementation.

Guile uses vectors, for example. [0]

Chicken... Is Cheney, so your list disappears entirely, half the time.

Gambit uses vectors. [1]

[0] https://www.gnu.org/software/guile/manual/html_node/Cheaper-...

[1] https://github.com/gambit/gambit/blob/master/gsc/_back.c#L11...