Dps long Que why!

[OPneedNerfs]

I disagree. More people will play tanks if there were interesting tank classes/jobs. Whether they tank well or not is irrelevant. If SE released Samurais and Dark Knights as tanks, I guarantee that there would be more tanks in queue. Paladins and Warriors are just not interesting. We have all seen them before in multiple MMOs. Alternately, the White Mage and Scholar are actually very interesting healers; and if SE decided to trash them altogether and replace them as a standard Cleric class wielding a mace/shield with no offensive capabilities whatsoever, I would think nobody would want to play them and you would instead have insta-queues as a healer.

More people will CONSIDER playing tanks if they were made more interesting. This doesn't mean they'll pick it over DPS roles as my point states, it's a matter of mindset in the end. There's a difference between someone simply wanting to try out tanking and someone dedicated to tanking and making it their main role. The latter will need to invest more time in both gear and strategies that will benefit the group. Even if assuming more people DO play the more interesting tanks like you suggested, it'll most likely be people who are already tanking and wish to try something new, there will be a very small increase to the overall numbers of tanks. The majority of the community of MMOs just prefer to DPS instead of tanking or healing. Like you say, healers currently are interesting, yet we aren't seeing a huge influx of them compared to DPS. Same logic will apply even if tanks became "more interesting".

tl;dr
People who want to tank, will play a tank regardless of how "interesting" it is.
People who want to heal, will play healers regardless of how hard it is.
People who want to deal damage, will play DPS even if the aforementioned roles are more interesting.

*Note: the DF Roulette may help with que times cause if i understood it correctly, they offer tomes to 50s that que for them*

There's a problem with the DF Roulette though. What if DPS at 50 queue for roulette? Wouldn't it worsen the already congested queues for DPS who aren't 50?