It's only taken a year! There has been no reason, bar a few medical emergencies, for people to fly(sail) in and out of the UK, yet the government still let people do so despite all medical evidence against it to prevent infection.
You got relatives overseas? Do what people did a few decades ago and post letters or pay for expensive phone calls, they managed.
PFB finding themselves travelling whilst living off mummy & daddy's credit card? - Tell them to grow up and fend for themselves.
Want to go on a selfish holiday to an exotic beach whilst polluting the atmosphere and disrupting the local culture? Tough shit.
www.bbc.co.uk/news/uk-politics-55935875