When you create your own posts, you can choose what to use as the thumbnail. You're not paying me, so you have no right to demand that I do it your way. It's attitudes like yours that discourage people from contributing content without expecting anything in return.
what is with people posting their github banners? is that just some obnoxious behavior in Lemmy? take a screenshot, ffs.
That is the preview image of the link.
When you create your own posts, you can choose what to use as the thumbnail. You're not paying me, so you have no right to demand that I do it your way. It's attitudes like yours that discourage people from contributing content without expecting anything in return.