It's the angle. Drafting tables are great because they come up to a roughly 45 degree angle which is ideal for drawing posture.
You can get way with it if you also get a desktop drawing board with it. This differs from the easle you shared and is much better dor drawing on paper.
You're reply isn't showing up yet because it's too short and got auto-moderated, but I pulled it up in your post history. That's a tabletop easel, possibly this exact one, but if you just search for 'tabletop easel' on Amazon or Blick or somewhere like that you should find lots of different ones.