1.They offer us some insight on the Pokemon World in an interesting way at times.
2. Now and then, they have nice personalities along with their Pokemon like Katharine and her Gothita.
1. They often waste time that COULD have been used to develop our main characters and maybe an overarching storyline.
2. Their episode follow a formula that I think doesn't bear repeating since everyone here practically knows it by heart. Even with slight variations, it become predictable like in Johto's dreaded filler hell or DP with a year without badges.
I think I've made my point. How about you guys?