Yes, it is safe to access if you have a9lh (and luma3ds(reliable cfw) ) and are on the latest system version.
If you have paid dlc installed, your non-legit ones will be deleting accessing the eshop.
If you never paid for any dlc you're safe.
I've seen a few sites mainly stockholder circlejerk blah blah sites talking about it....but ND Twitter has said nothing and Atari has been as well...I'm wondering if this is a fake story to get Atari stock up