IMHO - parrot playing is concerned with "what" is being played, and it's OK in the context of non-improvised music.
If you want to learn improvisation it helps to also investigate "why" - why this particular rhythmic figure (e.g as shown in the OP article), why this chord voicing (e.g. block chords? Quartal harmony? Drop-2?), why this melody (e.g. ascending or descending? Arpeggiating the chords or "playing outside"?) etc etc
Edit: One more thing: it's OK to improvise with the help of something like iReal Pro, but nothing replaces improvising with real humans, find a group of like minded people that would like to play with you
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IMHO - parrot playing is concerned with "what" is being played, and it's OK in the context of non-improvised music.
If you want to learn improvisation it helps to also investigate "why" - why this particular rhythmic figure (e.g as shown in the OP article), why this chord voicing (e.g. block chords? Quartal harmony? Drop-2?), why this melody (e.g. ascending or descending? Arpeggiating the chords or "playing outside"?) etc etc
Edit: One more thing: it's OK to improvise with the help of something like iReal Pro, but nothing replaces improvising with real humans, find a group of like minded people that would like to play with you