We engineers like the removal of the anti-aliasing filter as well though not so many of us use SLRs for imaging (though maybe more so in microscopy). Most scientific-grade sensors simply record the charge level. It's up to the operator to remove dark field effects, characterize hot/cold pixels, etc. The moire patterns one gets when shooting a repeating pattern that does not line up in an integer ratio with the pixels are simply an expected outcome. I disagree that such features cannot be removed in post - but it requires intimate knowledge of the repeating pattern and a smidge of math. It's not the sort of things you're going to expect a wedding photographer to be able to do (since every dress' pattern is slightly different). The other thing you've got to understand is that 99% of the time, scientific (and industrial) images look like crap. Its the statistical representation of what you're looking at that matters. And anything that you cannot characterize in the process (like the AA filter element) makes life difficult.