BigJet TV might be amusing for the uninformed but it’s just fluff TV to those with a real operating perspective into LHR or anywhere else. The only windy bit was the diatribe from the yahoo occupying the audio feed.
Those taking day trips or are returning with 72 hours (from the PCR test) can use a negative test result taken in Canada.
https://www.cbc.ca/news/world/us-border-testing-canada-1.6209821
For those flying May 8-10/21. Fortunately Canada is not on this rocket’s uncontrolled re-entry path.
https://www.ifalpa.org/media/3634/21sab10-long-march-re-entry.pdf