> No code was being shipped but hours of meetings and Slack conversations and discussions on PR's for no good reason about 0.01% improvement gains.

That may be where it makes sense to do a custom clock showing on the wall counting not minutes but the cumulative cost of the meeting. For simplicity assume everyone is making $1/minute, so a 5 person half hour meeting costs $150 just for the people in the meeting without even factoring in whether it's delaying the project.

Also, "perfection is the enemy of good" (or complete).