While some things might be inconveniences, a few are deadly serious.
Having the HDMI 2.1 label doesn't mean what you think it means ...
I have a very annoying problem with my recently re-appropriated HTPC. It's running an Asus M3A78-EM with integrated ATI HD3200 graphics. I have a monitor connected to it via VGA, and a projector ...
Practically every modern device connects to a screen via HDMI, but not every HDMI cable supports 4K resolution output. If you have a 4K TV or monitor, you'll need a cable with the right HDMI version ...
HDMI is great on your TV, not so much on your PC.