There is no way favourable deployment does not help the value of players, it just isn't always enough. Bobby Orr couldn't raise Pouliot's value. There can also be an effect where players get underrated because of the shadow their partner casts. I actually think Tanev went from unsung hero to having folk songs sung about him to the point that Edler is underrated. For example over the past few years it isn't unheard of for a lot of people here talking about getting rid of Edler. Imagine.
I think that if Schaller plays with Pettersson full time he can put up career highs over 82 games, but nobody is going trading for Schaller to be a top 6 option. Schaller's value will increase more if he plays 4th line minutes and puts up 10+ goals. Similarly, my point is that Goldy isn't an obscure player who came out of nowhere. GMs and scouts have typically watched him for years from juniors to the NHL. Goldy getting hot, scoring some goals, and picking up some assists (especially secondary assists) isn't going to magically raise Goldy's value enough to be worth stapling Goldy besides Pettersson for the purpose of raising his value. Now if Goldy was a potential core player and star in the making then it makes sense to keep gifting him prime minutes.
I think an argument can be made that Tanev and Edler aren't the best partners for each other but they were both good legitimate first pairing Dmen playing together.
Burrows is another example. I think Burrows, especially in 2010, played like a legitimate #1 RW or at least elite #2 despite people suggesting he's a 3rd liner that happens to have some chemistry. He scored 35 goals that year and 67 points. 4 of those goals and 2 assists were on the power play. 54 ES points is more than just getting carried.
But who here thought Burrows is a 30+ goal scorer away from the Sedins? Burrows has spent time away from the Sedins but I don't remember anyone here saying we should move Burrows away from the Sedins to spread the scoring.
Before Burrows got matched up with the Sedins he was on his way to being an elite 3rd line winger type if he wasn't already there. After the Sedins he proved that he could be a complimentary winger when playing with elite talent. Burrows defensive abilities makes him a guy that you can slot anywhere in your lineup. Take Kunitz. His value comes from his proven ability to play with elite talent. So you can be confident when you acquire him to play alongside your star C. That's simply not the case with Goldy and nothing Goldy can do next season changes that unless he's scoring 20+ 40+ alongside Sutter or Gaudette and improves defensively.
Ferland's value is inflated. But there are also numbers to backup his ability to play as a complimentary winger on a team's top line. He did that on Monahan and Aho's line. If Goldy shows an ability to produce offensively alongside different C's his value is going to increase. If it's only alongside Petey, not so much.