Does harsh feedback during a demo actually help or just kill momentum?

Last month I presented my home automation setup at a local meetup in Austin and someone in the back kept saying my voice commands were too slow. They timed every single trigger and showed me that my average response was 4.2 seconds, which felt brutal at the time. But that criticism pushed me to rework my entire Zigbee mesh and smart speaker placement, and now I'm down to under 1.5 seconds consistently. Here's the debate: is that kind of pointed, numbers-based feedback the best way to improve, or does it just shut down people who are still learning? I've seen both sides in this community, some say tough love works, others say it makes folks quit. What's your experience with specific criticism during a live demo, did you act on it or tune it out?

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sarah19828d ago

That 4.2 second number is the kind of feedback that stings but sticks. I remember reading a piece about stage performers who say the most useful notes they get are the super specific ones, like "your left hand looked lost during the chorus" instead of "that was good." Your timing data is basically the same thing, it gives you something concrete to fix instead of just a vague feeling. I think if someone had just said "your setup feels slow" you would have shrugged it off, but seeing the actual average forced you to act. So yeah, it can kill momentum if the person delivering it is a jerk about it, but when it's just cold numbers, it's honestly the best push you can get.

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