I mean… what is your threat profile? Are you a LinkedIn engineer with an unpatched Plex install and access to the company file server?

Are you going to do something that would attract the attention of law enforcement or nation-state threat actors?

Are you going to be using this mini PC to do your taxes?

Is it going to be in a DMZ with open access to the Internet?

Are you going to use it as an authentication server for other critical assets?

If you aren’t assessing your risk level with some realistic idea of what threats actually apply to you and weighing that against the possible consequences of a breach, then you’re pointlessly worrying about low-probability scenarios. Operational Risk Management right? Judge your risk by probability of occurrence and severity of impact and then make decisions based on that.