In the comment pictured the first line is text with a hyperlink markup. The line does not wrap to fit the screen, so half of the text of that line is not visible unless I select the three dot menu, copy, and select text.
I also noticed that I cannot click on the link at all, it only expands the options for the comment.
First time seeing adbanner on a Lemmy instance. Are you using some weird browser?
Op is using the boost for Lemmy app. In the free version it shows ads