Is 18k a little less than expected? Yes
Are the Knights a big draw in Brisbane? No
Let's get some context here...
1. the Broncos averaged 18k in their second season (drew 13k at Suncorp v the Knights that year). Yes, I get it was 35 years ago, but they didn't have an established Brisbane NRL team or even a credible AFL team to compete against.
2. The Dolphins have the Broncos, Storm and Warriors games still to come. Their average will be very healthy come end of season.
3. Our second NRL team's worst Suncorp crowd still beat the Reds - lol
Re: the Dolphins needing a geographical name to grow, whilst it wouldn't hurt, it's not the main issue as they look to establish their identity in the city. It's the players.
Obviously the Dolphins recruited the best they could in the time they had. But what really needs to happen (and it will) is for the team to start filling with more Queenslanders and maybe a couple more QLD Origin players. That's when they'll really start to build. They have the pathways already in place and the production line will begin to produce in the next couple of years.
In the mean time, they are doing just fine.