The most productive is the EDA software is one one that you know how to use.
Even when that's not true, this is actually what looks true to most of us. So, I can certainly question what you just said here with objective arguments, but it usually won't serve any purpose.
Not all tools are equal, and you may be using one that you're very familiar with, and still waste time on some tasks that would take a lot less time with another tool. But there'd be a learning curve, which would initially look like a waste of time in itself and make your productivity plummet, making it look like sticking to the tool you're used to would have been the right decision.
Of course this will also all depend on your particular needs, but it often happens that we just don't bother to see if something could be improved when it just "works". This is our "autopilot" mode, and how we function most of the time.
Back to the question, I've used Altium, Cadstar, Orcad, and Mentor tools (PADS...) (and other open source tools such as KiCad). I've personally often found that Mentor tools were easier to use and were feeling more "productive" to me, but I'm sure YMMV a lot.