What evidence have you? Lots of New Age practitioners claim that New Age practices work for them. Scientology does not allow members to claim levels of advancement until they attest to "wins".
For my part, the single biggest influence that "their brand of rationality" (i.e. the Sequences) has had on me may very well be that I now know how to effectively disengage from dictionary arguments.
Even if certain rationality techniques are effective that's separate from the claims about the rest of the organisation. Similar to the early level Scientology classes being useful social hacks but the overall structure less so.
I intended Leveling Up in Rationality to communicate this:
But some people seem to have read it and heard this instead:
This failure (on my part) fits into a larger pattern of the Singularity Institute seeming too arrogant and (perhaps) being too arrogant. As one friend recently told me:
So, I have a few questions: