The pool operators chose to remain with 1.4 because 1.5 stunk. That's the way it works, they have to make 1.5 better or else this will happen again.
Next FUD about devs dont care? Look at github!
Next FUD about devs wanted pump and make their thousands? Look at decission about inflation!
Not all pool operators choose to remain with 1.4. Majority of pools were and are with 1.5 without any problems!!!