If you claim a video is from "Today" and it is actually from 2019 (misinformation), the BBC will retract the story. But your reputation won't retract.
Here is the checklist for the modern creator who wants a career upgrade via BBC syndication:
The modern media landscape is brutal. You can spend five years building a following on TikTok only to see the algorithm change overnight. But once the BBC takes your clip, it is in the British Library archives. It is in the global record.