If your fanfiction has tons of sponsors and a team of marketing executives telling you what the audience preferes, you´ll have to suck it up and screw the least favorites, that´s how marketing works, you keep faith to your vision or you keep eating.
Except I would never shove down those popular Pokémon down people's throats.
Why not accept that things are better in moderation?
If you constantly overindulge, and continue to overindulge, and it's somehow not dulling your appreciation for the things that you overindulge on then there is seriously something wrong with this world.
The world is already "fat" I am fat, but we don't need to condone it.
Honestly, people should like Pikachu because it shows up doing something cute, however you honestly can't get the same full effect, if it's done in EVERY SINGLE EPISODE, just about. Makes far more sense to make people hunger for something and then when they show it, it should be the best thing ever. Except when they "do" that method with other Pokémon, it's just not done right and they starve us.
Besides marketing doesn't work. This episodes are made in a year in advance, which is like nearly 52 episodes a year (well more like 48, with breaks and stuff) and that's not even counting all the written stuff they likely have BEFORE it comes into production.
Kind of hard to argue marketing when Pokémon are shoved down our throats on a daily basis, and yet who told me that was okay? Maybe I want Palpitoad shoved down my throat. Maybe I want to buy Palpitoad merchandise, but no somehow this world cares more about over indulging itself, and being okay with it.