why Checkra1n Doesn't? read bellow

[[email protected]]

why checkra1n doesnt add Jailbrkeak and iclould bypass for all devices? start from Iphone 3gs until X. 
i know since there anren't exploit for xmas pro etc. 
for lower version there is exploit. 

thanks

[bennybong]

1. Because bypassing iCloud encourages theft.

2. Checkm8 exploit is only compatible with A5 devices and up.