No, but I’m intrigued by the concept. On the one hand, I very much approve of the philosophy behind it. That is, what many people don’t know is that machop-line maid cafes are very much akin to meowth cafes: they are spaces in which humans may interact with pokémon who are up for adoption. Pokémon who participate in such cafes have had better luck at getting adopted than pokémon who are simply held at a shelter, at least in urban areas, so it’s difficult not to like machop-line maid cafes for that at the very least.
On the other hand, why do the machop need to dress up as maids and serve humans like wait staff?
The Pokédex According to Bill 