Earlier quoted context omitted.
I don't think you should be legally mandated to make it easy , but if you sell a product to someone you shouldn't be allowed to stop them using it in the way they want to. If you do choose to retain control over how they can use the device then you should accept there might need to be regulation over what limits you can put in place in order to stop you doing things that are anti-competitive.
If users want to jailbreak their devices, that's up to them. Apple doesn't stop you from doing anything with your device, Apple thugs won't break your kneecaps if you subvert their restrictions.
Only because of a temporary DMCA exemption that Apple has consistently opposed. If they had their way, jailbreaking would be a federal crime.