>Also not checking all the boxes during the RFP process sends a signal about your ability to do so once the work is awarded.

A false signal that people would be wise to ignore. There are a multitude of examples showing that companies that learn how to check all the right RFP boxes pay no mind to checking any of the 'do a good job and product a good product' boxes. It shows they are good at checking only the boxes that make them money, and the current process is that doing a good job is not a box one's pay depends upon.

Is there any similar evidence that people who fail to check all the RFP boxes also fail to check the "do a good job and deliver a good product" boxes?

In the specific cases I'm talking about the 'ticking all the boxes' was rather subjective and not adequately explained in the RFP.