Too much mad and nastiness in the thread...
Could anyone give me a boolean answer to "is the game worth replaying after the fixes"? 
Yes.
With provisions.
"Worth playing" is subjective. Is it playable on a PC? Sure. From a technical standpoint, yeah, why not - with the proviso of 'it depends'. I've managed a single complete playthrough without too many major problems - a crash here and there, a glitch, getting used to the clunky control scheme. The mouselook is kinda useless since you have to constantly reset it and the 'auto-attack' is kinda pointless, but they at least exist now. A pity they couldn't have given you the mouse abilities you had in DA2, but stuff and things are hard. Or something. Excuses, on the other hand, are super-duper easy. And cheap.
All the dense frustration and deep-rooted cynicism of this thread aside, it does work. More or less.
For me, it worked only after I was forced to trash over a hundred hours of attempts. Turns out, regardless of how many patches there are, the only way I could play with a minimum of fuss was to play one Inquisitor at a time with only his saves in the save folder. Multiple character saves screw each other over, go figure. One character alone and it rises above frustrating to just ...excruciatingly mediocre. A hundred hours of gameplay is one thing. A hundred hours of really fun gameplay is something else.
DA:I is not a hundred hours of fun anything.
Worth replaying? That's a different story. Try replaying using a cheat and skip all the tedious slogging and jogging for influence. How much game is there then? If I can manage another playthrough I'm gonna give that a shot. Otherwise I doubt I'll find the fortitude to try it again. No game should invoke you to stop, sigh heavily and envision hours and hours of empty running, idiotic fetching (why wouldn't saving the entire world take a backseat to fetching a ring or running deasil around a statue for another ring?) and then induce you to attempt to weigh whether the bland and short romances and tedious set-pieces are worth the endless jog. Don't get me wrong - it has its moments. They can be hours apart though and there are nowhere near enough of them.
Were I profondément pathétique or lengthily imprisoned I think the appeal of this game would suddenly brighten. Maybe. Wouldn't bet actual cash on that, however.
Sorry, digression, I do that.
Short answer - yeah, it can be replayed.
The real question is - why would you want to?