Something needs to be done about the empty open world

[Kyuuen]

Atleast WoW utilizes their latest expansion zones properly with world quests and world bosses that drop artifact power, gear, weapons, etc.

Yeah, nah. I'd prefer if the Devs of XIV skipped over the trash concept of FotE (Flavor of the Expansion) systems that grant moronic levels of character power only to be dropped at the end of said expansion that said system was introduced in. Hard pass. That concept is biting WoW devs pretty hard right now if the content creators of WoW are anything to go by.

Dynamic objectves, big events and world bosses (not hunts) that reward people with gear and tomestones.

What you have described; whether you like it or not, are fates and hunts which lead to tomestones that are then used for gear. At best you would most likely get rare star spawns like those found in Bozja or Zadnor, which at the end of the day are just a hunt mob with higher stats.