I can't. I neither have the resources nor the ability. However, locking it to the Mac ecosystem eliminates possibilities for third world countries (like India and China) which are using Linux right from schools.
Yes, and the assumption is that a horse is worth between $0 and some number so there is never a reason to refuse a gift horse.
In the case of other "gifts" the value can be negative. The trojan horse, software, and blankets from Lord Jeffery Amherst all need careful examination.