LOL, OK I was being bigly flippant, but it's important for them to be reminded that Covid was not the fault of anyone in this country, that the Chinese government DID delay issuing information by a week, and that made a huge difference to our response, but that yes our government was slow to act, seemingly always one step behind the curve etc...BUT we now have a vaccine etc.
In WW2 in the cities of the UK children died randomly and unpredictably from Nazi bombs, and no one could save them. In terms of physical harm, Covid is simply not on that scale for the majority of healthy young people, as it mostly carries off the old and/or ill.
So ask your kids when they moan - would they prefer to be living in 2020 or 1940? I know what my answer would be!
Sorry, but they do need to get some perspective here and understand that the world is not a playground for their entertainment but actually a rather dangerous place, and that pre Covid they were living in the safest country in the world.
They should do what previous generations had to do - make their own entertainment, not be defined by what other people or social media tell them, discover their own inner life rather than passively expecting the world to entertain them every minute of the day, they might actually end up better people for it ironically. Anne Frank turned her awful, confined, tragic, short life into a work of literature. However bad they think life is now, they need to understand that it could be far worse, and indeed there are many kids in the world for whom it already is far worse.