Rectangle/tiling window managers on top is the only way to make it workable.
Apart from wm, the existence of application notarization is a downright insult (though Windows is also guilty of this with smartscreen but to a much lesser extent).
Apple's "pay us 100 bucks a year or we'll tell your users that your program is malware" is just another step in the inevitable game of locking down macos and turning it into a mobile-like hellscape