After mainnet, too much promise, too little work was done. Postpones, delays and other platforms' growth rates have declined Steem. I think people don't want to deal with Steem mess anymore.
You're maybe talking about steemit and that's only one application on steem. We have more applications created on steem and with them people are enjoying steem. 3speak for videos, dsound for music, actifit for sport, esteem for mobile and much more others, you can find them all here :
https://steemapps.com/ You can also check the most famous applications on blockchains here :
https://www.stateofthedapps.com/ most of them are built on steem !