The committee meeting was a total meeting of the minds.
meeting of the mindless
idiomA serious disagreement, especially one resulting from a gathering in which discussion or negotiation took place.
Origin
disputed originBy analogy with meeting of the minds.
After hours of debating the new contract, the two managers finally reached a meeting of the minds.
Despite their long-standing professional rivalry, the two scientists eventually achieved a meeting of the minds regarding the experimental methodology.