I'm not sure who to tag, but my ML/Visiaon colleague Vikas Singh while on sabbatical decided to learn category theory and now wrote an ICLR ML paper that uses it
https://openreview.net/forum?id=2Mo7v69otj
Maybe this paper could energize that community into putting their work to practice

TL;DR description of paper
"Use Category Theory to provide a general harmonization tool that can handle multi-equivariance and multi-invariance with respect to the images' covariates."

Pooling Image Datasets with Multiple Covariate Shift and Imbalance

Small sample sizes are common in many disciplines, which necessitates pooling roughly similar datasets across multiple sites/institutions to study weak but relevant associations between images...

OpenReview