There seems to be a big misconception in the quality of gear "casuals" got in wrath vs the quality of gear you can get casually in 9.2. Im gonna break some stuff down.
25 man heroic raid in wrath dropped 277 ilvl. Compare that to 278 from mythic raid now. Ruby sanctum dropped 284. Compare that 285 from final mythic bosses.
In wrath, you got badges to buy gear with. What ppl forget is that the gear was very limited. Here is what you could buy with badges.
Emblem of frost. 2 a day for doing the daily heroic. Used to buy 264 gear, 251 tier.
Ilvl / slot/ cost
264 / trink / 60
264 / relic / 30
264 / cloak / 50
264 / belt / 60
264 / chest / 95
264 / gloves / 60
You'd only buy 1 of either gloves or chest so you could have your 4 set. So with that into account, you got 5 items (including a shitty relic) at what is equivalent to heroic raid ilvl 265 nowadays.
Next, you could buy tier at 251 ilvl.
251 / chest / 95
251 / gloves / 60
251 / legs / 95
251 / helm / 95
251 / shoulders / 60
As mentioned previously, 1 of the chest or gloves shares a slot with the 264 gear, so you'd buy 4 of these 5.
Next are emblems of triumph, they award 245 ilvl gear.
245 / trink / 25
245 / relic / 25
245 / helm / 75
245 / shoulders / 45
245 / ring / 35
You would already have ur relic, helm, shoulders slots filled so this is 2 items at this level.
So overall in wrath you are looking at 11 items total, 5 at 264 (265 equivalent today), 4 at 251 (252 equivalent today), and 2 at 245 (246 equivalent today).
As a non raiding casual, this would take 148 days of daily heroics to acquire these 5 pieces. It would take an additional 310 badges to buy your 251 tier, or 155 days of daily heroics. Then 60 emblem of triumph that u could farm out asap for the 2 245 pieces. Thats 605 total emblems of frost, 303 daily heroics as a non raiding casual.
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Today's loot in 9.2
2x 291 ilvl legendaries
1x 262 crafted item
Once every 8 weeks, weekly quest for 265 ilvl box
252 in every other slot from ZM.
How do ppl argue that wrath was better for these turbo casuals? It took 303 days to get overall lower ilvl than it does today. If you factor in doing VoA, you can save 155 badges, or 78 days.
On top of that, the gameplay back then was waiting in queue, doing a 15 min aoed daily heroic, then having no way to progress as a casual until the next day. Compared to having an entire zone today.