Just like the title says, do you think Oda is a top 3 mangaka? Compare him to his contemporaries, predecessors, successors, etc. Shonen/seinen, everything is welcomed.
Here are also some criteria to judge by:
-Plot
-Main characters
-Side characters
-Villains
-Character designs
-Power system
-Story arcs
-Incorporation of themes
-Art
-Imagery
-Panelling
-Originality
-Fights
-World building
-Future potential
-Drawing skills
-Literary skills
-Storytelling
-Writing
etc
Discuss.
Here are also some criteria to judge by:
-Plot
-Main characters
-Side characters
-Villains
-Character designs
-Power system
-Story arcs
-Incorporation of themes
-Art
-Imagery
-Panelling
-Originality
-Fights
-World building
-Future potential
-Drawing skills
-Literary skills
-Storytelling
-Writing
etc
Discuss.