My FB perspective had varied over various times and locations with the same boat. When I bought the boat, it came with canvas sides and bimini on top and a snap on canvas cover for the FB helm and bench seat which protects the helm from weather. There is no isenglass. The PO stated that he hardly ever drove from the FB.
Early on, I eagerly embraced driving from up top for the enhanced view over the CA Delta levees and summer breeze. It was my helm of choice usually but my radar, autopilot and best chartplotter were mounted below.
As I gained experience and started venturing out into the dark and weather and exploring the SF Bay, I became more comfortable with the lower helm for its electronics , warmth and comfort...not to mention fridge, coffee maker, closer to head and good stereo controls. Also, I should note that my sight lines at my lower helm are excellent...even better that my FB due to the FB canvas below the rail.
There have been many times I have been able to verify a gauge reading or steering function by having redundancy on the FB. I have no genset so I use a Honda 2000 secured to the bench seat on the FB. The FB now serves primarily as my 'attic' for storage of generator, gasoline for generator and outboard, mops, brushes, squeegee, webster, water hose, shore power cord, bait cutting board and many PFDs.
Having a FB can be restrictive when covered slips are desired but it's not a problem here in the Delta with 15'8" FB clearance. To get the same storage aboard without the FB, I'd need a longer boat which would increase slip fees and may become more difficult to single hand which is another of my personal requirements.
So, for me, having a FB has been a blessing. Whether I use it for driving in the breeze or for storage, it gets used every day. Not having it would greatly limit my options and my vessel's useful functions.
To each his own...