Of course you cannot have absolute guarantees about the future but it doesn't mean there's an excuse for so much misinformation about the products on the market today.
Apple's head of software engineering has repeatedly publicly dismissed the idea that macOS will become as locked down as iOS.
In each of the past several years of releases they've expended a great deal of engineering effort to improve macOS security for the average user while giving advanced users control (for instance, they simultaneously developed secure boot on new Macs, and made it possible to boot alternate operating systems).
They continue to release source to several OS components such as the kernel, the cryptographic frameworks, etc.
They've never expended any real effort in developing DRM to prevent Hackintosh users from running the OS.
Criticism of system internals being poorly documented, and complaints against security features obstructing tinkering are valid, but nothing they've done is signaling that they intend to abruptly change course and create a truly locked-down Mac.
Apple's head of software engineering has repeatedly publicly dismissed the idea that macOS will become as locked down as iOS.
In each of the past several years of releases they've expended a great deal of engineering effort to improve macOS security for the average user while giving advanced users control (for instance, they simultaneously developed secure boot on new Macs, and made it possible to boot alternate operating systems).
They continue to release source to several OS components such as the kernel, the cryptographic frameworks, etc.
They've never expended any real effort in developing DRM to prevent Hackintosh users from running the OS.
Criticism of system internals being poorly documented, and complaints against security features obstructing tinkering are valid, but nothing they've done is signaling that they intend to abruptly change course and create a truly locked-down Mac.