So you say back then it wasn't the same story, but then try to paint it as if it's the same story? You're right, it wasn't the same situation. Shanahan was screwed way more.
At that point, Shanahan was a 2nd overall pick, a 30+ goals, 70+ point player who had 4 seasons in the NHL, and even with an offer sheet, he was making 20% of the league's top salary, and 40% of the league's stars. And because of the pay scale at the time, and the fact that he had essentially been paid nothing up to that point, Shanahan was fighting for his financial security in his first real contract. I wonder how much NJ was offering?
Nylander, a former 8th overall pick, a 20 goal, 60 point player who has 2 seasons in the NHL, based on the rumored proposed contract, would be making more than 50% of the league's top salary, and 60-70% of the league's stars. Actually, he'd be making even more, because his deal would likely be front-loaded to some extent. Nylander is not fighting for that same level of financial security.
Shanahan also gave up his chance to be on a Dynasty to do that, so maybe he has some perspective and insight on what things are really worth what, especially with even less chance these days of somehow magically ending up on a different Dynasty a few years later.
If anything, Shanahan's example should prove that for decades, RFAs have been paid less than "open market value" may dictate. It has only gotten better for RFAs.