I don't think people are defending Etem solely based on his draft positions. Things about him basically are:
1. He was considered a good/promising offensive talent going into the draft (Ranked #18 by the Central Scouting Bureau and 7.5C on HF) Of course that doesn't mean it's a guarantee.
2. He put up great numbers in the AHL and showed improvement. 13-3-16, 129 shots, in 45 games his first year. 24-30-54, 174 shots, in 50 games his second year and 13-8-21, with 79 shots, in 22 games last year.
So basically you have to ask yourself what is the difference? In the AHL he gets top line minutes, with the other best players on the team, and top line powerplay time. In the NHL he has consistently gotten bottom line minutes, with the worst players on the team, almost no powerplay time, and in the case of this year - absurd defensive zone starts.
Is it possible that he turns out to be a great AHL player who does nothing in the NHL? Certainly. But you can't possibly know that without putting him in a spot that takes advantage of his abilities.
This year he has played 11 minutes with Stepan and 30 minutes with Brassard (207 total minutes played).
Last year he got 68 minutes with Getzlaf and 47 minutes with Perry (500 minutes played.). He did also get 117 minutes with Kesler.
The year before he got 12 minutes with Getzlaf and 19 minutes with Perry (312 minutes). He did play 84 minutes with Selanne/82 with Perreault/80 with Palmieri though.
He's never had a consistent role or chance. 84 minutes with someone like that is basically 5-6 games. A week, week and a half of play. That's it.
If it turns out he's a bust, that's fine, but to cast him off as junk where your basis is that he hasn't "shown something" while put in a completely ridiculous role is just wrong. And the whole he is "lazy" argument is completely incorrect and false (this is the case for almost everyone). Any player that is that lazy would never have even made it to this level in the first place. You don't get there without extremely hard work. And the tweet someone posted of him asking for video to review right when he came here kind of immediately dispels that as a myth.
It's also not really true that players who first come to the NHL are put in a 4th line role and have to work their way up when they are offensive players. There's a bunch of examples this year who aren't.
Domi basically immediately got top line ice time in Arizona.
Duclair played about 40% of his ice time last year with Hayes/Hagelin. He also played about 25% with MSL and that's a guy on the Rangers! He got a total of 20 mintues (10%) of his ice time with Glass.
Pastrnak got a ton of ice time with Lucic last year (and only 30/530 minutes with 4th liner Gregory Campbell). Same for Spooner.
Panarin has played with Kane almost the entire year. He was a KHL guy but he's still young and it's not like they tried to force him into a defensive role.
Saad played almost entirely with Toews his rookie year.
Larkin's been on one of their top 3 lines all year (and that's all Etem needs to be. He doesn't need to be on the first line. He just shouldn't be on the all defense fourth line). And yea he's "shown a lot" but he's also played with Zetterberg a ton.
Draisaitl came up from the AHL this year and basically was instantly put with Hall.
When Toffoli came upalmost all of his ice time was with either Mike Richards or Carter
Forsberg last year played with Ribeiro almost the whole year. When he didn't he still had Mike Fisher who is another 40ish point player.
When Mark Stone first came up two years ago he got 63% of his ice time with Turris and also got a bunch of MacArthur.
Fabbri this year has played all over the lineup but it's mostly between guys like Lehtera or Backes or such. He hasn't been buried with Brodziak or Reaves.
Obviously there are some counter examples in similar spots as Etem (Miller when he came up/Kreider some/Brett Connolly for one) but the idea that players aren't just instantly put in a role with good players and a chance to create offense without "showing something" and working themselves up is just a fallacy.