Deaths per week have been below average recently, which certainly suggests that some of those who died in the first peak were taken a few months early, rather than a few years early, but those below average deaths are in the order of a few thousand, rather than the tens of thousands needed to balance out the deaths in the peak, hence why I'm saying that the majority who died would still be alive today without COVID.
You'd ( not you personally ) have to be a bit dense to look at the graphs and data to not realise that.
It's assumed, and is almost certainly true, that hospital deaths are down since the peak primarily because people who need treatment aren't going for it. While, recently, hospital deaths have been below average, deaths at home are above average, and by more than the hospital deaths are below average.
So it's almost certain that roughly half the extra people dying at home would, under normal circumstances, have seeked help, been admitted, but still died in hospital. The other half of the excess home deaths would probably, without COVID existing, have seeked help and still be alive today, which is the flipside of lockdown and restrictions.
There are no "100% definites" in this, but there does come a point where something is so likely, that you might as well treat it as being definite