Potential clients will research your business before buying from you and your socials is a place they may go looking. An active social media channel also signals to Google that you have an active in your online presence and this helps with rankings. If you're posting information that doesn't help people if some way, or tapping into their desires, then it's possible you'll be wasting your time. It is important to correctly set social media marketing strategies from the outset and determine what your audience responds to and then you can simply rinse and repeat!