Not every club is created equal, not even close. I've judged at some fairs that I left shaking my head, they were the kind where "Well, we have some room in the backyard, let's just get a horse at auction and throw our kid on it in a pen with other people's children" then there are others (like my home county) that there are kids riding Congress level horses, A circuit hunter/jumpers & 1D speed horses.
In our state, you don't have to be in 4H in the township, or even county that you reside in. If I were in a county with a club like you've mentioned, I would have my kiddo showing in another. Mine is a mini this year so no 4H horse & pony for another year but if we didn't have a great club here, I know where she would be showing instead. There are a few clubs that take showing seriously and it's not a goof off joke...sadly though they are the rarity more so than the norm.