This is really important - it is frankly a miracle that these productions are made at all, let alone with this level of scientific rigour, with the sheer amount of technical, logistical, and creative challenges at play. It is a tremendous achievement.
Yes errors were made in the design of the Prehistoric Planet T. rex. Building models for TV and film is complex with COMPETING factors that both the fan community and nit-picking technical experts fail to understand. But it's a better representation than other pop culture visions