Dwell time = longer on site the better. This promotes pointless articles around information you want. For example finding a recipe involves going through pages of the history of ingredients to get to the recipe. A successful search can be microseconds.

Because it incentivises content that increases click rate and dwell time. Eg clickbait headlines and fluffy confusing content.

This affects SEO "experts" and scammers. Define a metric and people will game it, how will bots and promoted content be filtered out now? A new set of problems.

Slowly replacing Google with ChatGPT: https://medium.com/@trendguardian/a-new-search-engine-1f91a5...

When a measure becomes the target, it ceases to be a good measure.

Insert here some analogy with paying Indians for catching snakes.

The point is that Google is being dishonest