Noticed the same issue but from a different angle: some of these blog posts are heckin' large.
5 out of 6,500 entries are substantially large. I filtered using
golang len() of the entry that is included in the feed and these are the only entries with >~ 100k:
Title: Some Rules for an Algebra of Bayes Nets
Content Length: 400,249
Title: New report: "Scheming AIs: Will AIs fake alignment during training in order to get power?"
Content Length: 104,228
Title: iOS 15 Image Forensics Analysis and Tools Comparison - Communication and Social Networking Apps
Content Length: 2,835,670
Title: Incidental polysemanticity
Content Length: 233,777
Title: Oh, Nikki, you're so fine, you're so fine, you blow my mind...
Content Length: 600,190