It's not speculation lmfao.
The cert is sent to Nintendo, 100%.
There isn't bans yet because,
A. They likely don't have an automatic system in place yet.
B. They are not stupid, they are aware this is a hardware issue, and they can't recall everyone's switches. They are not going to ban 5 people today, when they can wait and ban 500,000 in a month. They are aiming to remove as many hackable switches at once as they can, guaranteed, it's a smart move.
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We do it on 3ds by generating headers ourself. That doesn't work on switch. 3DS's also still get banned, alot. However you can reverse a 3DS ban.
Niether of those apply to switch. Nintendo is not stupid, they do learn from past mistakes. Scries even said, the Switch is a 180 from any other Nintendo console, the Security in it is ridiculously good. We don't have a kernal exploits even, at all. The only reason we have what we do is Nvidia mess up.