I switched away from /e/ to Lineage microG for the same reason. The /e/ team really prioritized the people spreading FUD about exposure notifications “being bad for your privacy” over people’s health and safety, causing lots of preventable problems:
The worst part? It works fine on microG, microG will give you a notification telling you exactly that: that you need to enable exposure notifications if you want it. The /e/ team literally broke exposure notifications just to satisfy misinformed people spreading FUD…