Who is they. The agenda and wording was all agreed on both sides. You are projecting your dislike of westminster.
"Encouraged by opinion polls suggesting a demand for DevoMax , the SNP lobbied hard for a second question offering it as a
constitutional option to be included on the ballot paper."
"It [Devo max] was also unpopular with the pro-Union parties, who argued that the referendum would become unnecessarily complex and were not in the business of offering what they viewed as a “consolation prize” to Mr Salmond."
"In the end, the Edinburgh Agreement stipulated that there would be a single straight-forward question – “Should Scotland be an independent country?”
Nailing the referendum down to simple choice of remaining in the UK or leaving it, was seen as a tactical triumph by the UK Government "
www.scotsman.com/scottish-independence/key-topic/devo-max/