So you think telling a model once to "do not write code, just plan" vs having an enum that causes that same text to be added to each message will somehow waste tokens and will surely make anthropic much better off..

It must be fun to see everything as a conspiracy.

The Anthropic employee literally told you plan mode is a "we're still planning!!!" at the end of the prompt. Plan mode is useless because you can literally type "dont write code yet" and get the same effect, not because you should never plan in general.

I mean if you want it to plan something without writing code first you literally just need to ask it to plan out the implementation first it's not exactly a difficult concept