📚 Clipboard 'Handoff' Risk on Apple Devices

Given the revelations of app clipboard spying on iOS https://arstechnica.com/gadgets/2020/06/tiktok-and-53-other-ios-apps-still-snoop-your-sensitive-clipboard-data/

Is the risk of 'Handoff' between Apple devices real, if so why isn't this more widely known?https://www.freecodecamp.org/news/turn-off-universal-clipboard-handoff-mac-iphone/

Finally is clipboard spying also a problem with apps on OSX and is there a feature to be alerted when anything accesses clipboard without being called to do so?