I don't agree: as long as he continues to use Aperture/Lightroom, the »technique« works (I use quotation marks, because this is how these pieces of software are meant to be used in this instance). When it is time to switch away from Aperture/Lightroom, it is then when the OP should think about rendering his files and writing them to disk. The whole point of Aperture and Lightroom is that they are the tool with which you manage your photos from import to export.
I think you have missed the point I was trying to make.
Razeus states,
'when I die and someone can just look at the folder and say "this is what he wanted to show"'.
Although a bit sombre the point is valid. If you have these files in Aperture/Lightroom/any other raw editor they can be edited by mistake for a start and if he's anything like me all my top images are mixed in with my OK and only kept for personal reasons photos... Not a great first impression if someone in the future uncovers the great Razeus collection of 2013.
This »technique« works also in Lightroom.
It also works in Capture One, Darktable, Camera Raw, Phocus, etc... but it does not work between the applications. If I have lightroom and you have aperture we cannot exchange raw files with the changes to then be edited in each others applications.
What is the printer has Capture One? How will he get the print.
My interpretation is that Razeus wants a folder where he can export high res images that in essence are "finished" and will remain in that state for ever. For me leaving them as .Cr2 or .nef or whatever in Aperture/Lightroom etc. is not a good idea. Take for example Lightroom updating their process version update with Lightroom 4 which meant that the photo could be processed in a different way. Already in one version change we have two different ways for a photo to be altered. Who's to say that when the next process version comes out support isn't dropped for PV2010. What will happen to the changes then!
A tiff file is a tiff file. It theoretically opens the same on every computer baring monitor and colour space differences.
If Razeus wanted to share his collection with the world as a folder on line leaving it as raws and their supplementary files instantly limits who can open the files.
Leaving it as a tiff means that it can be opened by pretty much anyone with a computer.
In your first quote you mention:
The whole point of Aperture and Lightroom is that they are the tool with which you manage your photos from import to export.
Surely this is what Razeus is trying to accomplish. He has finished his edits and is ready to export?
yet the jpeg is sooooo much smaller.
It's all relative though. So much smaller but realistically it's 15MB-ish per image (I assume). With storage getting cheaper and cheaper I don't really see photo files being such an issue.
Last weekend I shot a short film on the new Blackmagic Cinema Camera. It fills up a 240GB SSD in 34 mins. The rushes for the total 5 minute film totalled nearly 900GB. Suddenly my 250GB 10,000 photo library didn't seem that big!