The fatman thing is silly, but not too far-fetched. There are thermobaric munitions that pack a considerably stronger punch than what is shown in the trailer. And yes, they are shoulder mounted.
The teddy bear thing is silly as well, but not much sillier than killing super mutants in one hit bare-handed, kung-fu style.
And of course, what a retarded idea it is to give the player a hut! I mean, just look at Bloodlines for instance! OMG FAIL!
You wouldn't be more predictable if you did it on purpose. Quaint.
I take it you get your kicks from being bitter, then?
Find another hobby man, you'll live longer.