The diversion is more significant than the article makes it out to be.

What diversion? Russia hasn't had to slow down it's advances in other regions at all, in fact in some cases Russia has made faster gains, because Ukraine diverted its own best troops...

On face value, Kursk region isn't that important to Moscow and they've got the strategic points like the nuclear plant on lock. However it's hard to deny the value of the morale boost that Ukraine desperately needed,

It's only a morale boost to westerners observing the news as if it's a game. It doesn't help the real world situation for Ukraine or Ukrainians. That's what this was for, to signal boost to the west.

The Kursk incursion does not change losses caused by poor military coordination present from Ukrainian and Russian command structures.

No, it's an example of said poor military coordination present in the Ukrainian command structure...