No, the biggest drawback is that it's made by, and ties you deeper to Google, who has no respect for user privacy and sees it's users as a commodity it can sell to advertisers.

Chromecast supports Plex as well.

Chromecast doesnt require a cumbersome search method or yet another remote to add to my coffee table.

What are you.

You're just an outlier far left on the distribution curve. HDMI is a minimum requirement now, not a drawback.