There we go then, makes sense. As I said before, the government have 'strongly discouraged' non-essential travel yet it's not a ban. If you have a flight booked somewhere and the airline hasn't cancelled it, you can go. I mean, the vast majority have cancelled of course, goes without saying.
Its similar to 'at risk' people thinking they're forbidden from leaving the house during lockdown. It's strongly advised that they stay indoors but it's not law. My mother keeps dropping that into conversation - "oh I wish I could go for a little walk in the evening but I'm not allowed to leave the house". I keep trying to tell her that when I do her food shopping, I see a good few people much older than her doing theirs because some people have no choice. Same goes for my evening hikes, I often see couples in their 70s and 80s (judging by their appearance) going fro a walk. For her, and many others, it's been processed as law rather than a strong suggestion.