Sky has 30% stake in TS.
Not correct. Star/Disney has 30% stake. Previous owners of Star / Fox had controlling stake in Sky hence got into licencing this name for their Indian DTH business. Now Sky and Star r owned separately hence possible that name would be dropped or if it continues then Star will exit selling their stake to Comcast (Sky).
I think already Sky Tech Team is not anymore part of Tata Sky workforce. This might also be the reason why they have fallen behind in innovation area.
By the way talking about migration or LCN changes, it will not cause major inconvenience to subscribers as compared to what happened in GSat or MPEG4 shift. This time much adjustments or physical modifications on subscriber end is not required