Help) Understanding an anti-positional engine move : r/chess

I am reading “Logical Chess Move by Move” by I. Chernev, and can't seem to understand why white moves h3 here. Author says it is a big mistake as white player was

TheLastStyleBender's Blog • The Opening Anthology •

Junior Tay) The Benko Gambit - Move by Move, PDF, Chess Openings

How to know the right moves to play in a game of chess from the numerous options of possible moves - Quora

9 Toughest Chess Engines You Can Play Against - Geekflare

Play the English! - Schachversand Niggemann

Ranking Opening Moves in Chess [All 20] - PPQTY

I played chess against ChatGPT-4 and lost!, by Ville Kuosmanen

Point Value by Regression Analysis - Chessprogramming wiki

Deep Thinking - Garry Kasparov on decision making - Summary & Lessons

Developing an AI Chess Engine on a Weekend – a Guide for the Lazy Ones

Blog Tricks of Chess

Blog Tricks of Chess

10 Positions Chess Engines Just Don't Understand