Thanks for taking the time to list them out, didn't spot those in the article.

Personally, I think most of them seem quite sensible. Having a 'support everything forever' approach is obviously going to impose a huge burden on the teams who maintain this stuff which is then going to limit the ability to make anything better. The depreciation notices generally seem pretty good (12-15 months notice by the looks of it, sometimes followed by degraded functionality rather than complete removal of the feature).