I live in Belgium, a country where 3 million people are paying for 8 million others. Those 8 million include kids, people without a job and people in retirement or who got sick. And we should help them. But it also includes 1.3 million government employees (hundreds of thousands more than The Netherlands where they got 6 million more citizens), people who aren't really sick, people who aren't willing to work, people who retired at an age way below the average European retirement age.
So they want the system to continue even though it's unsustainable. When asked, they aren't going to vote against a system they are taking advantage of.