Website owners should not use Linktree or any other landing page service. As a website owner, one of your goals is to drive as much traffic to your website as you can. Using your website as a link in bio is an easy way help your audience find you off of social media.
Everything you can do with Linktree, you can do better with your website. Check out my IG Live where I discuss why it is important for website owners to use their own website as their link in bio.