The recent agreement between NBCUniversal and three top North American cinema chains to shrink the theatrical release window was a game changing revelation for the movie industry, which itself was spurred on by Disney’s trend-setting direct to consumer play earlier this year. Each of these moves pale in comparison to the shockwaves AT&T has delivered to brick and mortar cinemas – in another catalyst to mainstream cinemas eventually crumbling away until all that remains is a market of bourgeois theaters. Warner Bros studios will release its entire 2021 movie portfolio straight to HBO Max for a one-month window. By siphoning these off at no extra cost to HBO Max subscribers, the paid VoD (PVoD) streaming model – that looked set…