EDIT: you guys have dug up some truly horrible pisstakes :D Thank you for those.
To the serious folk - relax a little. This is Mildly Infuriating, not I'm dying if this doesn't stop. As a non-native speaker I was taught a certain way to use the language. The rules were not written down by me, nor the teachers - it was done by the native folk. Peace!
Jealous vs envious is super common to misuse as I did for years because envious seems ‘old fashioned’ these days.
‘Very unique’ is used widely but I doubt your attribution or source. It’s just a common sloppy lack of rigour in meaning.