U have to spend loads of money on facebook to advertise succesfully, and success depends on if it selling popular stufd,, handmade guitars are cery niche,, you would need to target ads smartly..

People
Can use many alternatives such as discord to chat instead of fb but people like the ego trip with facebook ..

Steem is as you say not ready for mainstreem
Steemit.com will never get out of beta as they stopped improving it now.. were supposed to use alternative sites like steempeak.com which are way better

Favebook rant.. i could do one but really its obvious.. the company are evil!