Gartner et al. need to be seen as trendy and at the forefront of each industry they are in, so as you say there is never a trend they won't jump on. I suspect t

Gartner et al. need to be seen as trendy and at the forefront of each industry they are in, so as you say there is never a trend they won't jump on. I suspect there is some value in actually talking to their analysts to work out which products actually work well, and which failed implementations are really due to client problems, but their written reports aren't much more than a list of the biggest players in each sector.