Would you ever consider playing golf while blindfolded? Of course not. You need to see the flag and make adjustments to your aim and swing based on processing feedback about the hole.
However, entrepreneurs often step up to the tee box blindfolded because they do not have a process to measure feedback. Running a business is all about where you spend your time. You need feedback to know the things that make a positive contribution to your business vs. the time wasters.
Are you running your business while blindfolded?