i think it is interesting that in the 80's, there seems to be criticism of Shugden already, although the main anti-Shugden campaign/ban didn't kick off til 1996?
Does anyone know when exactly did the Dalai Lama stop practising? And what triggered it?
The ban started during the mid 1970s, as what vajratruth has pointed out, when the yellow book was released, and at that time the yellow book was used as an excuse to prove that Dorje Shugden was harmful (oddly, Music Delighting the Ocean of Protectors was not referenced at all.)
Later, HHDL made up a lot of other excuses, each different from the other during his public talks on why Dorje Shugden is bad, including
- that it was a practice that came from a vision (Tapu Dorjechang)
- it shortens his lifespan
- it works against tibet's independence
- Trijang Rinpoche hid his Dorje Shugden items when Karmapa came to visit (implicating that the practice was not proper)
- Ling Rinpoche refused to give him sogtae
- Nechung advised him against Dorje Shugden
- The 10th Panchen Lama saw Dorje Shugden as harmful
- the 5th and 13th Dalai Lama banned him
these are some of the inconsistent points that were given to as why and to me it appears to be very random and inconsistent.