I was trying to get tickets for games for years before I succeeded. Ticket office would either be permanently engaged or would say it had sold out, yet when watching the game on the telly the ground would be half full. It is SO frustrating to see an empty ground, but I wouldn't like to say if it was day trippers of apathetic season ticket holders who are to blame.
I knew there were tickets available for Boavista and would have loved to have gone, but living in Bristol and not being able to get time off work, I didn't have a chance of getting there in time. :but: :but: :but:
Maybe Anfield these days needs the day trippers to fill up, but I expect it had more to do with Boavista not being a 'glamour' game as you said.