No, I didn't say that. In fact, for sounds that evolve, and have random characteristics (like the best digital reverbs), the real thing is often the best choice. I'm not even a huge fan of convolution compressors and EQ's and mike emulation, simply due to the non-linear nature of most of those. You have to think of a convolution processor as somewhat similar to sampling a sound...

It's VERY good at capturing things that remain consistent, but not so good at capturing sounds from sources that are ever-evolving, and change radically from moment to moment. For instance, the better reverbs can put quasi-random modulation on the tail of the reverb (the Lexicon sound!) to make it more interesting, but a 'sample' of that reverb only captures the modulation in one state, and then applies it IDENTICALLY to everything. The overall effect is subtle, but noticeable.

Let's be honest... if convolution WAS the perfect emulation of everything, everything would be done by convolution! But there is much that the real thing is still better at. Convolution comes CLOSE, just as sampling real instruments comes CLOSE, but whether it's 'close enough' is only up to you...
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An arranger is just a tool. What matters is what you build with it..!