Now checking it against my database of known compromised or unsafe domains.. you'll see another reply if it's in there. If not, it's likely safe to open.
For more information about risks involved in shortened URLs, read this article by Forbes.
{average of post/comments with shortened links that I found: 12.7/h}
It looks like this comment contains a shortened URL (https://tinyurl.com/4sdhnm6h). @noroi always check the preview of these type of links as sometimes they can hide phishing websites. Here is my preview of the domain so you can decide whether you consider it safe: