Yes.
The facilities at Boundary Park (as it is) are unsuitable for the modern game. And, as you say, conferences, training days, etc. are the way forward in generating revenue through the week.
I'm sure that most of SC's rant was directed at the residents and councillors still opposing redevelopment. As has been said many times, lets go somewhere else if necessary, and build houses on the whole bloody lot! And see how they like that.