[1] Esperanto, by its very nature, is a niche language, in my opinion. There's nothing wrong with that. It also gives (limited) access to (limited) things that some people want: connections with people in other countries who share the language; intellectual stimulation; probably some bragging rights.[1]
2013, Delme Parfitt in Wales Online, Cardiff City 1 - 0 Swansea City: Steven Caulker heads Bluebirds to South Wales derby win (3 November 2013)
It won't be remembered as a classic in the pantheon of great South Wales derbies, but nobody on the Cardiff City side of the divide will care as their team secured the first ever set of Premier League bragging rights in the Welsh capital.