Which to me seems like another rule, made by the powers that be, which is like the way VAR is run. I have been to games including ours at Gelsenkirchen? where a sliding roof was closed, also rugby games at the Millennium Stadium and I think a closed roof adds to the atmosphere keeping the noise in. Or is it just certain clubs are against them as they would not spend the money on one. If those who say there would be no return on the money needed as the reason then I disagree as it is comfort for the paying supporters that count for me because in reality the toilets do not give value for money but they need to be there for the comfort of supporters and somewhere for the smokers to have their quick drag;-)