Say you have a bad day at work but usually you’re awesome. This happens to be the day 20 new coworkers see you for the first time. They all tell their manager.

Do you deserve to be ostracized forever because you bombed one presentation to a vocal minority? Or should that be balanced against your amazing work on other days?

The Algorithm just sees those 20 bad reviews. It doesn’t know about your other amazing days.

In the case of a restaurant another dimension comes into play: Serving a table of 20 is a logistical nightmare compared to serving 10 tables of 2. This is why large parties usually call in advance and get a prefixed menu. The restaurant would also ensure extra staffing for that time.