I'm not an instructor, but after a 8 year break from diving and coming back in to it this year I cant agree more with what a lot of you are saying.
I started with BSAC 20 odd years ago, left them due to the local dive club being ran by a bunch of muppets, the course being taught was epic fun and I learned so much from my Ocean Diver. I ended up taking a PADI refresher one year in Thailand with my wife unplanned a few years later, we never went past PADI Open water as the local reef we dove was only 16 meters and we were happy. Well child comes along and 8 years later Im back in to it all, especially as the kid loves the Ocean. So I did the natural thing and went back to PADI...and must admit the course has gotten easier, did my advanced not so long back and learned nothing new at all. The material was very similar to what BSAC teaches at their entry level, which was a disappointment. Whilst BSAC have also dumbed down their courses as well, there is still enough emphasis on quality teaching for me to go back to them. That and the local club seems to be heading in the write direction.