I am certainly not negative about Andromeda. In fact, I am quite positive about it. Everything they have announced so far makes a lot of sense to me and seem to be decisions (in terms of design) that I can absolutely support. Of course, we don't know very much yet but what we do know is all great IMO.
Does that mean it will be a good game in the end? I honestly don't know as there are too many unknowns.
Certain design failures in DA:I have me a bit concerned but actually, I am optimistic that BW will learn from those, rather than repeat them, they have a history of being very perceptive of gameplay weaknesses and dealing with them (pretty rigorously if the past is any indication).
In terms of negativity, I have said before that I will not pre-order this game (even if there will be further info to indicate that it will be a great game). Why? Because of the past of this franchise and the company. Mass Effect started out as the most ambitious and promising video game project of all time and that potential got squandered badly IMO, culminating (but not at all beginning) with ME3's ending. The OP says it's been the most consistent series ever, that is simply not true, in fact, it is one of the most infuriatingly inconsistent settings I know. To me that means that BW set themselves up with promises they couldn't keep and the handling of us fans when we did complain became a big part of the problem as well. The only way to punish a company for these mistakes, the only way to enforce reflection and hopefully change on their part, is to withdraw financial support from their product and that's what I am going to do, at least for a time (note: I didn't buy DA:I either, it was an unexpected gift from someone and frankly when I unwrapped it, it bothered me a little that someone did actually spend money on it on my behalf).
If BW pulls it back together and delivers a great game, I'll consider a full price buy after release, but honestly, it would have to be spectacular and I would have to see an honest attempt to change back towards the kind of franchise I fell in love with for them to regain me as a fully committed customer.
So my negativity is less about this game than it is about BW as a company itself. I think with Andromeda, BW does have a chance to repair that loss of trust but as long as that hasn't happened, I will have to remain skeptical.