Sure, it's not a revenue producer for the city, but I'd say it's a cultural asset for the city. Besides going to UL events, I don't really feel much "community" in Lafayette besides attending mass. I feel like Moncus Park has the ability to be the year-round cultural hub for the hub city. Attending the farmer's market on Saturdays with the family, and bringing the kids to the park afterward gives me a sense of community.
What's the price tag on that? I don't know.
For anyone that has not gone, I highly recommend going take a stroll. It is impressive and makes me proud to live in the city.