Rather than submitting papers to (or reviewing for) Frontiers journals, consider these alternatives:
-PLOS
-Collabra
-eLife
-OpenMind
Over the last month I saw that human editors are now stripped of control. I could no longer stop the system from auto-inviting "reviewers" with zero relevant expertise. Even worse - the AI began actively revoking the invitations I manually sent out to actual, qualified experts.