There is a subset of journals where a few authors, often members of the editorial board, were responsible for a disproportionate number of publications. Papers by the most prolific authors are more likely to be accepted within 3 weeks. User GrassrootsReview, in the For all things open science subreddit, 09 Dec 2021
A Survey of Biomedical Journals To Detect Editorial Bias and Nepotistic Behavior User Open_Access_tracking, in the The Open Access Tracking Project subreddit, 23 Nov 2021