Do players who've been watching the Classic stuff know? Yeah. Do a lot of people who havent been paying attention but will learn about it when it launches know? Nah.
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Yep. VERY simple example. My first character was a rogue. At 20, you get a quest that gives you, as a reward, the ability to brew poisons. It is, I think a single quest, might have been a short 2 quest 'chain' but it was somewhat challlenging at level for a new player. And it was fun! You were an adventurer taking a new step, gaining knowledge that would make you more powerful.
Now, well, poisons are basically a time limited enchant that you just re-apply.