"$600 CAD/month for a bedroom in a house that's close to frequent transit and in a low-crime area isn't hard to find if you don't have your heart set on living right in downtown Vancouver."
(Has not looked for an apartment in Vancouver in the last 10 years)
>the deletions and insertions in track are just as visually simple as on paper
This really is an aesthetic claim you're making, and it goes against what many in publishing feel, which is that substantial edits through track changes are clearly more taxing, less comfortable, less intuitive and uglier than paper.
You're also confusing collaboration problems with editorial workflow problems. The author is writing from a copy editor's standpoint, which involves producing clean, professional quality copy through a vertical, step-by-step editorial process.
(Has not looked for an apartment in Vancouver in the last 10 years)