In my opinion, from his fate point of view, he never reaches poverty, because he will use spouse or others money.
But, your point holds from your viewpoint.
Yes, they are wrong. It can not be so.
but, in case of wrong DATE (of birth), it can be Mars dasa too.
I have checked birth time using RP method
today at 8.38 AM, 5th september, 2018.
Moon is in Arudra star indicating 2:15 pm.
So, it should NOT be 2:17:30 PM,
So, the specific astrologer's saying is Wrong.