There’s no such thing as a causality-free measurement. Measurement requires causal assumptions.
This is similar to what is expressed in Borsboom et al. (2003).
Borsboom, Denny, Gideon J. Mellenbergh, and Jaap van Heerden. 2003. “The Theoretical Status of Latent Variables.” Psychological Review 110 (2): 203–19. https://doi.org/10.1037/0033-295X.110.2.203.