Here's my over-exaggerated piece of evidence. Miami beat Texas 22-10 on Wednesday. Game took 4 hours. 

Are you willing to have a limit on the number of runs allowed per team per inning just so you can go home in less than 3 hours after the game started? (Again, not every game is like that, but it's obvious - the more runs scored will make the game last longer.) What's your average game? What are you willing to allow that makes you stay longer? A beauty of baseball compared to the other pro sports is there is no game clock. Now, X people/fans are trying to incorporate a clock. 

Let's compare ticket prices now to 30-40 years ago. No way in h-e-double-hockey-sticks do I intentionally want to pay more for something when organizers want to give me less.