Unpopular opinion but…
First privacy and security is not the same, one relays on the other tho. So find your treat model when it comes to privacy. If its about security as you mentioems qubes is also great, yet needs a lot of knowledge. Your computer is only as secure as you made it and make it! Keep it up to date etc. For a normal user who don’t have the knowledge or used qubes or even Linux in the past it is probably a jump to high. Macos is secure, not very private. Consider all of this find out yout treat model find out what you use your computer for. Separate business and private accounts etc…
Unpopular opinion but… First privacy and security is not the same, one relays on the other tho. So find your treat model when it comes to privacy. If its about security as you mentioems qubes is also great, yet needs a lot of knowledge. Your computer is only as secure as you made it and make it! Keep it up to date etc. For a normal user who don’t have the knowledge or used qubes or even Linux in the past it is probably a jump to high. Macos is secure, not very private. Consider all of this find out yout treat model find out what you use your computer for. Separate business and private accounts etc…