I've never heard any of my colleagues in Sweden complain about their tax levels. I've been to Sweden a number of times and it seems like a rather civilized place to me.
I'd be very surprised if nobody in Sweden complained about their tax levels - I was just commenting that in the cases where I have been in Sweden (talking to senior well educated people in good jobs) they emphasize the good things, like paternity leave, rather than complaining about tax levels.
I complain about it all the time, but then again I'm not a employee and I see what I pay in taxes. Which is roughly double what employees "think" they pay in taxes. To use a swedish phrase, it's so "fiffigt ordnat" that half the taxes you pay doesn't show up on the income declaration.