Since we correct for so much, from chromatic aberration, pincushion and barrel distortion, vignetting, perspective, horizon line, etc., even new tools such as Miniature Effect and ReShape tools. It can be done in Photoshop, but since DXO offers so many great tools for lens correction and manufacturers of lenses tend to compromise because they produce smaller lenses, lighter lenses with fewer glass elements, and ultimately cheaper lenses, it is nice to have software correction. Just as you would do so using any number of other tools. It’s not a matter of mistakes in composition or the photography process, it’s a matter of maximizing the frame via software in post-production. If the effect is satisfactory, why not do it in post? But you can also do it in postproduction. Can’t you just get tilt-shift lens? Sure, you can. It’s not a threat to the photography process itself, but to post production.

While that is a pretty standard practice for photographers, I think you are missing the point. Too late to do anything about cases like that too. Even with the later I often sit there wishing I had left a little bit more space around my motif’s central parts. Of that reason no simple “scout rules” will necessarily do the trick 40-50 years later no matter if the problem is just revolving around color slides or digitally born images. It´s often impossible today to change what could not be changed even 40-50 years ago and it still is hard to know how a digital image really will be used during its life time too. I find me from time to time postprocessing old color slide images tightly framed as was common in analog times, because they were all framed without any thought at all of the future needs digital postprocessing would impose in that process.

you would better leave quite a lot of space to make that possible. In that case it makes sense to use a tight framing but if you might postprocess later of any reason, using keystoning to rectify walls e.t.c.

I know there is a lot of and maybe increasing number of photographers that don´t want to postprocess their images.

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