Are all Pokemon in the SM demo shiny-locked?

Question

I know the Ash-Greninja is shiny locked, but are all the Pokemon in the demo just set to never be shiny?

Comments

I am pretty sure they are shiny-locked. They may not be since as far as I know, you can't transfer anyway so they might have let it be.

I think most probably yes they are shiny locked.

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Where is the source for this?

Answer 1

According to this reddit post, dataminers have confirmed that a shiny lock is in place. Outside of that post, this is the only other one that is even remotely related to the topic I could find when looking this up. Altho that only had a speculation because nobody has ever caught a shiny in the demo