No-Castle Chess is Flawed

No-castle chess is flawed. Castling was invented to overcome the flaws present in the game without it. This happened quite a few centuries ago, so we have very little, if any, game information on what led to the castling rule. Here are a couple of links to some articles on No-Castle Chess.

https://timesofindia.indiatimes.com/sports/chess/viswanathan-anand-defeats-vladimir-kramnik-in-no-castling-chess/articleshow/84434304.cms