Though I am overly happy with my decision, I can to a certain degree understand him. I am a Defender-lover as well. And in a Defender, you know after a while each bolt, nut and washer by name. Whatever is broken, you will likely know what to do, or find out. You know which screw to loosen first, and you know how long the surgery will take.
Such problems will in general hardly exist with the Grenadier (I hope). So with a Grenadier he has to say good bye to the good ole habits ...
I'd be happy to do so since I have been a gearhead ever since, and I am finally a bit tired of problems, oily fingers, cold afternoons under a car and so on. But whatsoever - he has to give up something.
In another video he talks about money. Yes, that's an issue. He has apparently two Defenders and two houses. And the same problem pops up again: He has to say good bye to something.
To make a long story short: He can afford a Grenadier if he sells either a house (which is of course a massive sacrifice), or the two Defenders and can take out a loan which is no problem if you have two houses. Bottom line: It's all a matter of priorities.
Perhaps he is an old man in a young body. Who knows?