Depends on where you sit. Back in the 90s we had season tickets (Box 116, Row EE). IMO there weren't 100 seats in the entire place that were better. 1/3 of the way up the first base line looking right out at the wall (sorry, us old-timers always called it the "wall" - not the "Green Monster"). And there was an exit ramp in front of us, so we weren't blocked by the people walking back and forth in the main concourse that goes almost entirely around. We would just drape our jackets over the exit ramp railing, put our feet up and enjoy hours of uninterrupted viewing. I realize there aren't a lot of "great" seats there. Also, "Box" seats used to extend from just beyond the third base dugout to halfway to Pesky's Pole. Now they call seats behind the right field fence (and up to the wall) "Box" seats. That's disgraceful.
But I understand that the "majority" of the seats aren't great, making it tougher to overlook the lack of amenities that you see at other venues. On the other hand, we sat in "Box" seats in Oakland and were three times as far away as at Fenway. And there are a lot of stadiums that still have that "round" configuration, probably because they are used for both baseball and football, where the seats are quite a distance away. This is why many cities are now going back to 'retro' stadiums, which is a euphemism for "the football configuration doesn't work so we need our own stadium that is designed exclusively for baseball."
We gave up our seats when the price went from $16.50 to $90. Which speaks to many of the other comments on this board in the last couple of years regarding attendance. I can't think of too many other things that have gone up over 500% in that time frame. Not to mention parking and concessions. The only problem is that baseball and hockey are the two sports that are MUCH better seen in person. But we have to all make choices...