I actually haven't read the manga (so I probably shouldn't have used "end manga" as a reference), I'm mainly working off of the anime that they seem determined to never end. Plus spoilers from various fanfics that give me a fair grasp on how the whole thing ends. This would probably be a divergence after the last battle given that.
To be honest, just based on what I have heard of Sasuke post manga (basically wandering off after Sakura is pregnant) doesn't really make me think he is canonically that interested in being a father. That's why I don't necessarily think that he would have as much of a problem as people are making out after all was said and done-- yes, Sakura lied to him about this, but it got him what he wants ultimately and she didn't have bad intentions to start. This isn't necessarily the ultimate betrayal so long as the kids are considered part of the Uchiha clan.
Maybe there was a reaction in the new manga when he finds out about Sarada that disproves that, I wasn't really aware of it if so.
*shrug* I'm kind of putting my own reactions into this honestly-- I'm not a terribly social person, but I still want to pass on my genes some day. I wouldn't necessarily have a problem with something like this happening to me. I'd be upset for awhile maybe (and that is a definite maybe, I might not have much reaction at all given that I've thought about it in the past), but I would get over it so long as it wasn't done to try and extort money out of me or something. Sasuke doesn't seem that far off that honestly-- he's about as anti-social as you get but he still has this desire to restore his clan which seems to be this nebulous concept with no concrete plans.
To be honest, just based on what I have heard of Sasuke post manga (basically wandering off after Sakura is pregnant) doesn't really make me think he is canonically that interested in being a father. That's why I don't necessarily think that he would have as much of a problem as people are making out after all was said and done-- yes, Sakura lied to him about this, but it got him what he wants ultimately and she didn't have bad intentions to start. This isn't necessarily the ultimate betrayal so long as the kids are considered part of the Uchiha clan.
Maybe there was a reaction in the new manga when he finds out about Sarada that disproves that, I wasn't really aware of it if so.
*shrug* I'm kind of putting my own reactions into this honestly-- I'm not a terribly social person, but I still want to pass on my genes some day. I wouldn't necessarily have a problem with something like this happening to me. I'd be upset for awhile maybe (and that is a definite maybe, I might not have much reaction at all given that I've thought about it in the past), but I would get over it so long as it wasn't done to try and extort money out of me or something. Sasuke doesn't seem that far off that honestly-- he's about as anti-social as you get but he still has this desire to restore his clan which seems to be this nebulous concept with no concrete plans.