>they can effectively lock users out of alternate OS choices on their hardware People buy mac to use macOS. Some will also use bootcamp for windows if VM is no

>they can effectively lock users out of alternate OS choices on their hardware People buy mac to use macOS. Some will also use bootcamp for windows if VM is not enough for their tasks. And installing linux instead of macOS on a mac even sounds strange. So - nothing to be aware of. Macs always were build to run Apple OS