It's just a strong recommendation, GP isn't pretending to have authority over HN commenters. This type of 'command as suggestion' construct is pretty common in modern english.
No, it's not a suggestion, it's definitely a command.
Don't use nonfree tools, or you'll become a sharecropper ripe for abuse, such as the complete and utter "it's our computer now, fucko, even though you paid for it" nonsense demonstrated in TFA.
Free software can't behave like this because the moment it tries we'll simply patch it out.
Wow, I had no idea this existed. Thanks for mentioning it. I block the telemetry with settings and with Little Snitch, but this is what I needed from the beginning.
Sure but not everyone is a "free software only" person either. VSCodium comes at a price if you invested time in learning those extensions which won't work in it.