That isn't a Bard, that's a dude riding a Kodo while randomly hammering some drums.
To equate them to Bards is as ridiculous as saying that Bards are already playable, because priests have one hymn spell.
I want the guy from something like this:
https://www.youtube.com/watch?v=oP9eGesY45M
Or this:
https://i.redd.it/lhmq7wasoe261.jpg
Or this:
https://wowpedia.fandom.com/wiki/Russel_the_Bard
Or this:
https://i.pinimg.com/originals/e3/66...424836d7aa.png
Or this:
https://wowpedia.fandom.com/wiki/Elite_Tauren_Chieftain
etc.
To be expanded upon as a combat ready class.
Perhaps something akin to this:
Spells that are mentioned but not shown are Baseline abilities that are showcased on another image