tzippi
I checked it out, you misunderstood it.
he says you shouldn’t dream of owning something someone else has, that you CAN’T get.
he brings the example of simple farmer not dreaming of marring a princess.
if you can’t afford a gold becher, you’re right don’t think of it.
if you could afford it, the Ibn Ezra doesn’t apply, and let the person buy what he wants, and use it as he wants. don’t forget there are times that we’re supposed to be using our “best” and if someone is worth a billion, the $50.00 becher others use would not be his best.