I'm currently L63 fractal
and there is a pretty glaring problem with fractal design - there is a massive dependence on the guardian profession for high level fractal progression. I have run triple guardian from 48-63, and while 3 is overkill, I couldn't even imagine trying to do, for example, 60+ final grawl shaman boss with less than 2. The amount of breathing room even a single guardian specced for heavy blind/block rotations and longer wall/avenger can provide is worth 10X what most other professions can bring to the table - which is usually just dps and maybe 1 good ~6 second ability. I don't want to see guardians nerfed, but a more balanced approach to fractal progression and difficulty in the future would help reduce the reservoir sized amount of frustration most groups find themselves in trying to progress from 30+ without a guardian, or enough guardians in the group.
edit: Traits - 0/15/5/30/20 - 15 in radiance for spamming blinds, 20 in virtues for improved wall/avenger. Weapons I run GS/Scep/Foc - GS + 2h specialization for more blinds, high mobility, decent dps, and cleave clustering. Scep/Foc for range, blocks, roots. Equipment I wear P/V/T. Runes i use double monk double water for increased boon duration - conditional removal is almost non-existent in fractals. It is worth it to keep going higher in fractal # if you want fractal weapons. Drop rate for fractal weapons in daily chest in 50-59 has been 4/6 for me and in 60-69 has been a perfect 3/3. This is after going 750+ fractals and only getting 5 weapons prior to entering 50-59.