Yes. Appealing to a niche can be a blessing or a curse. I feel one of the issues on Steemit is that it tries to appeal to everyone. People have trouble finding content they enjoy, and equal difficulties finding an audience for their content.

Appealing to a niche may make things more concise.

Though it's also possible that it's a problem. To be fair.

But sports does have a massive mainstream following. How much of that group of people is also into crypto? That remains to be seen.