Haha, hear, hear! I agree quite a bit.
While I do occasionally run LFR on alts, I spend very little time there. Otherwise, I think we have identical perspectives on LFR.
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For the most part "mythic" was basically the only difficulty and it got increasingly hard as raid tiers went up. The point I am making is that gear was never a barrier; you could just spam heroics until you had enough badges to reasonably participate in whatever content you wanted to run. Not that it was easily accessible for casual raiders.
I'll add that tanks had an especially hard time since the defense cap was expected for running heroics (and necessary), and hitting that cap typically meant being weak in other statistics just so you don't get crit. Typically tanks would DPS, buy tank badge gear, then start tanking for the rest of their badge gear. Defense (and hit/expertise for that matter) caps are one of the things I miss the least from old content.
Ironically, once they became geared up, raged-based tanks (i.e., non-paladins) actually struggled to hold threat in high end gear in heroics because they didn't take enough damage to build enough rage to do so. At least it is better than it will be in classic, where warriors are the only truly viable tank and they don't have an AOE threat attack in defensive stance.