I’ve only found 3 reasons to use HDMI with a PC

HDMI has become the standard for audio and video cables for most people. If you’re watching a Blu-ray on your living room TV, you have it connected via HDMI. The same thing goes for your streaming boxes like the Apple TV 4K and Roku Ultra. The point is that HDMI has become an everyday part of life, but it doesn’t apply to all aspects. My PC doesn’t have an HDMI cable anywhere near it, and it hasn’t for several years. For PC, it feels like DisplayPort reigns supreme, and there are a few reasons for that.