I concur with much of what Kieran says about why indoor carpet events were last held about six years ago (but had been dwindling for a decade before that). I do not have personal knowledge as to why this happened, but I do believe the tour and its promoters wanted to see more of a baseline game and less serve and volley. The balls were changed, the strings became such that players now had both more power and more spin, and then more and more hard courts were slowed through surface grit changes. Even the grass at SW19 was changed out so it would not wear as quickly and that served, in turn, to help make even the grass game more hospitable to backcourt players. It is what it is, but I preferred the tour with different seasons when players had to change their games more, even if it meant there were players that only excelled on clay or grass and then were not as potent on other surfaces. That was fairly common in the Seventies and Eighties. To me, the cream always rises to the top and that is why guys like Connors, Borg, and the like won across all surfaces--the Swede won a number of carpet events, as well as Jimbo, although McEnroe did more than anybody else (it was perfectly suited for his game). Bringing back carpet would be a call to bring back more aggressive attacking play from the word "go". It would be exciting. The greats would adapt and although it might be easiest for Roger of the top guys (he played carpet more often than the others and won his first tournament on it if memory serves), the others would win their fair share.
