This is quite true, with existing technology the graphic designer always has to touch up their Illustrator PNGs in Photoshop (conspiracy theory: does Adobe do this on purpose so people will buy photoshop?). But at higher PPIs, the aliasing effects of rasterization are much less, you could almost turn anti-aliasing off at retina display levels, so vectors begin to make more sense.
Of course, the problem is that there are still a lot of displays out there where anti-aliasing is necessary, and for some reasons our algorithms always screw it up if done in real time. Perhaps we just need better algorithms (e.g., see Direct2D).
The final problem they mention is one of physical size, but it makes sense that you'd have a lesser detailed vector for something that is really small vs. something that is very big; its a design issue.
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This is quite true, with existing technology the graphic designer always has to touch up their Illustrator PNGs in Photoshop (conspiracy theory: does Adobe do this on purpose so people will buy photoshop?). But at higher PPIs, the aliasing effects of rasterization are much less, you could almost turn anti-aliasing off at retina display levels, so vectors begin to make more sense.
Of course, the problem is that there are still a lot of displays out there where anti-aliasing is necessary, and for some reasons our algorithms always screw it up if done in real time. Perhaps we just need better algorithms (e.g., see Direct2D).
The final problem they mention is one of physical size, but it makes sense that you'd have a lesser detailed vector for something that is really small vs. something that is very big; its a design issue.