Ilets - statistically, 55,000 people in the UK have died already and we're clearly a long way from the bottom of the peak.
Let's say we were really lucky and it bottomed out at 100,000 (assuming no big second wave) - and yes, astonishing that 100,000 excess deaths in spring/summer in 3 months could look like a best-case scenario.
Let's say each of those people knows 1,000 other people - because realistically, we all know far more than that. Think of all the people you were at school with, work with, friends, relatives, kids' friends at school, etc etc. But let's say only 1,000.
100,000 X 1,000 = 100,000,000 or 100 million. Which is more than the population of the UK.
So yes, t would be EXTREMELY unlikely that you wouldn't know someone who had died of this within a few months.
And as I said, that's not counting the far larger number who have survived but are still suffering from the virus.