The author's view of the evolving internet landscape. Real world geopolitical alliances and divides are increasingly being represented on the internet. Author Ben Thompson writes that the internet is dividing into 4 increasingly separate zones. Each zone dominated by a major power (United States, China, European Union, and India). Thompson outlines his views of vision behind the American, Chinese, and Indian zones while lamenting the lack of vision in the European zone.
It reminds me of an old podcast where the host lost a ton of weight and was healthy again but was complaining that for all the work he put in to be healthy, his body could just one day fail and he’d die.
Using a different passphrase for each key means you then have the problem of working out where to keep the passphrases. It is a little better in that the passphrase can be stored separately - and realising (compromising?) the asset requires compromise of both the passphrase and the protected key.
The number of entries you describe rather implies that you will need some automation over bringing the key and the passphrase together (e.g. a html5 application connecting to 2 different services with separate authentication).