These secrets are contained deep within the article, which of course it is highly improper to read on this here orange website:
> The Irish national watchdog serves as TikTok’s lead data privacy regulator in the 27-nation EU because the company’s European headquarters is based in Dublin.
This is likely under the GDPR, whose penalties are based on global revenue. If TikTok doesn't like it, it is of course free to cease activity in Europe (strictly speaking the GDPR also protects European citizens outside of Europe, but in practice if a company doesn't operate in Europe there is little that the EU can do).
> The Irish national watchdog serves as TikTok’s lead data privacy regulator in the 27-nation EU because the company’s European headquarters is based in Dublin.
This is likely under the GDPR, whose penalties are based on global revenue. If TikTok doesn't like it, it is of course free to cease activity in Europe (strictly speaking the GDPR also protects European citizens outside of Europe, but in practice if a company doesn't operate in Europe there is little that the EU can do).