Theres a difference between being creative and just creating a turd.
Also, you might wanna read the second part of my sentence you quoted about brand new lore on the spot for some left field class. You might of missed it.
Look, its fine if you like Bards or x and you dont like Tinkers or y. Maybe one day we'll get a bard class, who knows. But as of now, theres nothing to support its addition of a Bard aside from just being standard fantasy RPG element.