Earlier quoted context omitted.
It goes > Subject: Information about Your Automatic Renewal > This is an automatically generated email from Nintendo for customers who have a Nintendo Switch Online + Expansion Pack individual 12‑month (365‑day) membership set to renew automatically. > Dear [user], > Your Nintendo Switch Online + Expansion Pack individual 12‑month (365‑day) membership will automatically renew soon. > ... > Deadline to turn off automa…
Because this is mandatory in the EU probably.
Why would EU rules apply?
Nintendo is just a decent company compared to most others.