I just feel the whole
70 to 80 or 80 to 85 or even 70 to 85 debate is just eh. People play what they want, blizzard put stopped experience and since then the twinking community for raiding has opened up even more. PvP has always been there even before bg's gave any kind of experience. Raiding was possible but was either additional $$$ or had more restrictions
thankfully blizzard cares about the twink community somewhat and for that...we thank you (tosh.0 reference ftw)