Personally, I think the view that CGC is any less credible than PSA is irrational
There are, of course, weaknesses to a mill strategy some players include cards that prevent themselves from losing to an empty library, like Ulamog, the Infinite Gyre
I do budget upgrades for the 4 commander decks that are released with the sets
While I doubt well be seeing the deck receive major competitive play going forwards, its cards like Galaxy Photon Dragon that help bring the deck new life to those dedicated players in the current meta
It might not seem that impactful, but it does mean that your single Prize Card attacking Gardevoir can now OHKO other Pokemon ex, Pokemon VSTAR, and Pokemon VMAX easily, like Zacian V