The scientific integrity referenced in the title is a spreadsheet she made classifying 500 birds across 100 different dimensions. Skip this read, the article is long and goes nowhere.
In forcing the estimate you must mentally walk through the process to execute. This process alone is believed to improve outcomes (reduce procrastination, identify roadblocks, prioritize among other tasks). I would say the estimate is directional, and serves other purposes.
1. Tip 100% of the time if your company is footing the bill.
2. If it is your own money, tip the difference between your willing to pay and actual price. If you are paying surge pricing part of the premium goes to the driver, so tip accordingly.
You want to make a difference in someone’s life? Give someone earning $15 an hour a couple bucks.
How many new studios and jobs created? A Unity study from earlier this year looked at over a thousand studios and almost 50% of the studios were less than 2 years old. Sounds like an industry with high turnover and fluidity, which makes sense given the nature of games.