No evidence? Every release it gets slightly more difficult to download apps from non apple sources. If you download an app you need to know to go to the security panel, log in, and then click allow. It's only to get more difficult. Apple has so much to gain by pushing osx to be more like ios.
Not really. The Mac is increasingly a only professional tool. Apple needs developers and scientific users to continue to use the platform.
More importantly they are on record in detail as completely denying this idea and asserting that they want people to be able to install whatever they want, and have access to all levels of the system. This is why you can switch things like SIP off.
If you download an unsigned app you need that rigamarole, but it’s easy to distribute a signed app from your website, and a user who knows what they are doing has no real difficulty.
This reduces the chance my 85 year old mum will accidentally download malware while still making it easy for me to install whatever I like on my machine or, for that matter, hers.
And they document how to switch off that protection if you’d like as well.
