Yet there were many sessions touching on ML and AI already in the abstract:
https://fosdem.org/2023/schedule/event/fast_data_realtime_st...
https://fosdem.org/2023/schedule/event/overengineering_ml_pe...
https://fosdem.org/2023/schedule/event/cicd_formachine_learn...
https://fosdem.org/2023/schedule/event/ai_discussion/
https://fosdem.org/2023/schedule/event/appinventor/
https://fosdem.org/2023/schedule/event/graph_ml_visualizatio...
https://fosdem.org/2023/schedule/event/20_minutes_from_zero_...
https://fosdem.org/2023/schedule/event/saass/
https://fosdem.org/2023/schedule/event/graph_ldbc/
https://fosdem.org/2023/schedule/event/publiccode_dpg_public...
https://fosdem.org/2023/schedule/event/ldcb_benchmark_suite/
https://fosdem.org/2023/schedule/event/network_cni_automagic...
Seems plenty to me.
If you think there should be more ML content in FOSS, get out there and do it or organize others to do it.