I understand you had a frustrating experience, but this is not germane to the discussion at all. You had a bad DPS in your group, we have all been there.

As far as duty finder, I have little experience with queues by pairing with a marauder. Anyhow, having her in group when queue = instant group more or less. When I became a scholar at 30 I tried queuing on my own once and it was 30-40 minutes wait. I think having only conj as healer 1-30 (serious mistake imo) made everyone roll conj when the real limiting factor is tanks. If they would decrease FATE experience and boost dungeon experience, more people would do it. This would then encourage excess dps to roll tanks after massive queues. The only way the game population is going to reach this magical 50% dps 25% healer 25% tank mark is by tanks getting instaqueued and dps waiting. As long as dps can just pound down FATE and avoid dungeons entirely, nothing will change for the better.