That's not true at all. As a Gardiner fan and being into analytics, I've realized that watching hockey makes a person extremely biased. If you already think Gardiner is prone to making bad plays, you're actually actively looking out for his bad plays during the season. It's highly likely that you'll pass over his many perfect small plays because they're 'small' and to the human eye, small plays are not interesting enough to be remembered in the long term. It's the big plays that are remembered. Gardiner, Stralman, Hjarmlsson, etc are never going to be remembered for their big plays. Heck they won't even be appreciated until playoff exposure or they make a random big play (Guarantee Hjarmlsson, Stralman wouldn't have gotten appreciated at all if Chicago and then NYR/Tampa didn't make it deep in the playoffs).
And get this, this is funny to me: People pass over on the majority of small plays. So Riellys many bad small plays defensively don't get remembered, while Gardiners many small good plays don't get remembered. In the long run (I.e end of season), people remember the macro events. They remember 1) Big plays 2) Rielly played top pairing more D starts, while Gardiner played 2nd pairing
I can't wait till the Leafs make it into the playoffs and then people finally understand. He's a low end #2 but gets talked about like he's a #4.