Elon Musk may own X, formerly Twitter, but that didn't stop many of the social media platform's users from giving him the business on Tuesday.

What did the Tesla mogul do to deserve the snark? Well, he told the site's users to no longer use hashtags to identify and organize specific topics.

The admonishment came in response to a post from a man who asked Grok, the platform's A.I. chatbot, to weigh in on using hashtags in posts.

Grok apparently isn't a fan of the tags, calling them "as useful as a screen door on a submarine," and Musk agreed.

"Please stop using hashtags. The system doesn't need them anymore and they look ugly," he posted.

But even though the owner of X doesn't like hashtags, many others think they have value.

X users snarkily let Musk know they think he's off-base on this, and yes, some even included particularly appropriate -- hashtags -- to make their point.

Some people tried to explain to Musk that hashtags help people organize and find contact on X.