Okay, according to the article, this functionality will only activate after you have signed into a Google account for the first time on the device. So, at least for those of us who use custom software such as lineage OS, that won’t matter since we don’t put a Google account on the device to begin with in a lot of cases. A lot of us boot the phone for the first time, skip the entire setup wizard as fast as possible without signing in or any of that stuff, and then immediately enable OEM unlocking and flash the lineage or whatever software.
Well, that won’t matter unless it’s a brand new phone or has been properly erased because you won’t be able to install lineage anyway unless one of those two conditions are met.