You can if you already have the game. (I already have the game.)
You have to also remember that tier list was constructed with minimal, if any, high level player input. It was basically a place for people to bitch about who was where because they were going to do it whether we wanted them to or not.
As for their "analysis"... let me put it this way. It took six months for the community to recognize Helena for being borderline broken after I initially said it. Six months. They aren't exactly the sharpest tools in the shed. And even then, most of them still don't understand the real reasons, instead blaming it on a blanket statement of force techs.
It only took Perfect Legend five minutes to figure it out. Hell, even E-mann came to the same realization by the end of the day.
The community at large however isn't very bright.
There are characters that are going to be more popular and also insanely frustrating when the game comes out officially. They will overshadow Alpha because Alpha simply won't be played as much. I imagine it will take another year for people to finally come full circle and recognize the broken.