Since there's a thread on here that seeks to have a petition formed against the Dynamis update, and that poster wishes to restrict discussion of the matter, I feel it appropriate to create this thread rather than bombarding the existing thread.
Personally, I think opposing the Dynamis Update at this stage is premature. And I think if you're going to oppose it, you need have make your reason clear other than "I just don't like it." Here are my reasons why I think an update to Dynamis is a welcome addition:
1) Any addition that allows more people freely participate is a good thing to me.
2) Allowing people to only have to buy one key item once to enter does A LOT of good. Obviously, it saves gil, but it also takes some of the power out of Dynamis LS. No longer would you need a "Dynamis Bank" to store gil and have to forfeit currency in order to fund runs. Now you can disperse spoils to everyone a lot easier. I take issue with Dynamis Shell leaders becoming tyrants who oppress those lower on the totem pole and have a tremendous sense of self-entitlement.
3) Less cool-down time to enter = easier to get your relics, synth materials, and zone wins for those who need them. I don't see how you could possibly oppose this, unless the thought of people being able to get things that took you longer to get upsets you. Stop being so selfish; such thoughts only hold back game progress.
4) We haven't even given it a chance yet. If it happens and things appear to be really negative, then an appeal to return Dynamis back to what it once was is understandable.
So yeah, those are a few things I can think of that support such updates. Dynamis needs some rejuvenation, and SE looks like they're going in the right direction with it. But please, feel free to discuss your thoughts, whatever they may be.