Should rage only come from damage dealt?

Should warriors and druids no longer generate rage from damage taken? Ghostcrawler mentions this as a possibility being considered to change the way warriors and druids tank, one that would eliminate difficulties when rage-using tanks take too little damage/avoid too many attacks and have trouble tanking content that they outgear or are using avoidance heavy gear to tank. Having warriors only or mostly generate rage from damage done is an intriguing idea that has come up a few times. It would help the problem where better gear leads to rage starvation (at least in lower instances) and where warriors have trouble OT’ing because they aren’t getting hit. It might also get warriors to care slightly more about dps stats instead of focusing mostly on survival stats. This would all apply to druids too. This isn’t a change we have in the pipe, but it is something we discuss from time to time. Of course, this would require a real shift in how warrior/druid tanking mechanics worked. It would also have massive effects in PvP: it would essentially break the pattern of design that makes focus firing a warrior in PvP a slightly more risky proposition, since if you