It's hardly about neglecting certain lifts. It's really about neglecting to train.
The strength and conditioning world has dropped the ball.
In resistance to the revolution circa 2004 which saw every commercial gym under the sun operate on unstable surfaces, smart coaches decided to do more research. Not surprisingly, they noticed that the instability trend was something that had much less to do with “core” and “strength” than many thought. The rise of the importance of ol’school basics began to rear its head, and it made the BOSU-everything programs lose their traction in the training community.