With this update, Bid Strategy Type is no longer a required column.
There are 13 categories of metric and attribute columns available in Google Ads. Now, Google has added a recommended columns category to call attention to columns relevant to your account and campaign settings.
What’s new. For now the recommended reporting columns is limited, with Bid Strategy Type showing if you’re using bid automation. With this update, Bid Strategy Type will no longer be a required column, freeing up your reporting tables to include a different metric or attribute.
How it works. Recommendations are turned on by default. You can opt out of a specific recommendation, add the columns you want to show consistently or ignore them. You can also opt out entirely by clicking on the toggle button at the bottom of the columns list. Google suggests leaving the recommendations on to see future additions. – Read more