Every KVM switch aimed at home users is made by the same few manufacturers, with the same half dozen brand names slapped on them, they all range between $30-100 and all begin to fail after 6 months.
What the eff.
Follow
Finally found a good quality kvm, installed it and works great...for ONE of my computers!
The work computer OTOH has some major hot pink color issues, somewhere between the monitor => kvm => usb-c hub => macbook.
Apple has been...less than helpful
Aaaand my "pink KVM" issue has mysteriously fixed itself.
THE MYSTERY DEEPENS