Why NOT Christ Lineage through Joesph's boodline, Instead of Judah's

being that the gospels are entirely built to be political, i could see it as being nothing more than propaganda, the thing is its hard to seperate the man jesus from the built up jesus that the bible presents.just to ask how do you know that the two linages are for differient purposes? prahaps one of the authors copyed the other since they do not resemble each other at all except in general facts
I'm thinking this line of thought is just to make up for the fact that christians can't answer it so they make something up

having david twice looks more like the author was trying to come up with a number he liked, rather than having anything to do with god, but saying god did this is basically saying god is lying or being deceptive, rather than facing the reality that man wrote the book and added things that they wanted! yes the whole 40 years thing, it shows they had a thing for 40 years,numberology was a common belief, then and now

I love this cop-out, if the text negates the fact that something can't work if it is material just shift it to the spiritual of course they wouldn't expect a spiritual king, its not scriptual, they expected a military leader, which they didn't get in the form of jesus they already have ways to free them of sin, its detailed in the torah could have fooled me he failed it since he never took up the king-ship of david.
just the same moving of the meanings,"well it didn't show up here so it must be somewhere else"