Lewis Pulsipher was a prominent contributor to White Dwarf in its early days. The following quotes are from his article in an early number of White Dwarf (my copy is in Best of White Dwarf vol 1, 1980):
D&D players can be divided into two groups, those who want to play the game as a game and those who want to play it as a fantasy novel . . . The escapists can be divided into those who prefer to be told a story by the referee, in effect, with themselves as protagonists, and those who like a silly, totally unbelievable game. . . In California, for example, this leads to referees who make up more than half of what happens, what is encountered and so on, as the game progresses rather than doing it beforehand. . . . [T]he player is a passive receptor, with little control over what happens. . .
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Gary Gygax has made it clear that D&D is a wargame, though the majority of players do not use it as such. . .
The referee [in a skill campaign] must think of himself as a friendly computer with discretion. Referee interference in the game must be reduced as much as possible
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Referees must resist the temptation to manipulate the players by changing the situation. Every time the referee manipulates the game on the basis of his omniscience, he reduces the element of skill. . .
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It was around 1986, with original Oriental Adventures, that I started to discover a way of GMing in which the GM would make stuff up on the spot, while still allowing players the scope to make choices which are genuine in their consequences, thereby avoiding the railroading that Pulsipher warns against. (More than 15 years later I discovered that this approach to GMing had been refined and theorised by Ron Edwards and others at The Forge.)