Agree with you, it's up to them that they lie about their age. I'm way too optimistic I guess, but even if they lie about their age, they, nevertheless, will read the forum, think over all the information provided and then make a decision which will not destroy their health.
Had the same issue a few years ago. If you are in no hurry, you'd better lose weight via cardio. Yes, it was hard either physically and mentally, I wanted to give up so many times and luckily I didn't. You will lose weight and gain strength at the same time. But it's my opinion only, maybe...