Mass vaccination countries: Israel, United Kingdom, Hungary
Moderate vaccination countries: All the other in Europe, or something like that.
To simplify, let's make a new column with the average of the excess of deaths, and sort them. The biggest ones are:
Hungary: 39.3%
Slovakia: 26.7%
Poland: 26.3%
Czechia: 25.0%
Bulgaria: 20.3%
Cyprus: 12.3%
Austria: 10.3%
United Kingdom: 10.0%
Israel: 8.3%
Other: 8.0% or less
Average: 4.8%
So clearly Hungary is a huge outlier.
Back to the three mass vaccinated countries:
If you compare Israel to the moderate vaccinated countries, the different is not statistically significant.
If you compare United Kingdom to the moderate vaccinated countries, the different is not statistically significant.
If you compare Hungary the moderate vaccinated countries, the different IS statistically significant. Moreover, it's much bigger.
The correct conclusion is that something extraordinary bad happened in Hungary, not that something extraordinary bad happened in the mass vaccinated countries.