I did play it, with my wife at launch. The storytelling structure was excellent and, with full support from Bioware/EA, could have been even better. What really fucked the game over was two things:
1. It was targeted at World of Warcraft Burning Crusade's feature set but launched against Cataclysm at its midway point. So the gameplay felt extremely dated.
2. The combat had very perceptible delays. One thing Blizzard nailed with WoW, and of course they've since ruined this in their incompetence by putting a bunch of CDs on the GCD, but it was the brisk and immediate impact of combat. SWTOR... had none of that. It was stodgy and slow.
Also, let's do this- when the game went F2P the restrictions were very, very dire.
This game captured the perfect storm of both Bioware's decline and EA's corporate culture. Just an absolute disaster but you could see where it had good ideas. Just never salvaged them.