There's a difference between value and what the team or fanbase values them at.
Let' say McDavid's value is 1, the team and the fanbase will likely start at 1.25 and go up to 2, i.e that Matthews, Rielly, Marner, 1st and Liljegren trade is insane. Matthews and Marner alone are an upgrade on McDavid, Matthews, Marner and Rielly is getting into serious overpayment and throwing in a 1D potential and a 1st, that again is valuing McDavid at a 2. Even if you were to say the difference between Matthews and McDavid is Marner, which is a very odious argument to begin with, there is no +++ to that....
Here are some real offers:
Boston Bruins: Marchand, Bergeron
Buffalo Sabres: Eichel, Risto, Reinhart or Eichel, Dahlin, 2nd
Detroit Red Wings: No package available
Florida Panthers: Barkov, Trocheck
Montreal Canadiens: Weber (max retained), Drouin, Kotka, Mete, Gallagher (very difficult to make this work)
Ottawa Senators: Karlsson (signed), Chabot, Stone
Tampa Bay Lightning: Sergachev, Point, Foote, Stralman, 1st
Toronto Maple Leafs: Matthews, 1st, Liljegren, one of Hyman/Brown/Gardiner or Matthews, Nylander
Carolina Hurricanes: Aho, Hanifin, Teravainen, Faulk
Columbus Blue Jackets: Jones, PLD, 2 2nds
New Jersey Devils: Hall, Hischer, 1st
New York Islanders: Barzal, Leddy, Eberle, 1st
New York Rangers: No package available
Philadelphia Flyers: Giroux, Provorov, 1st
Pittsburgh Penguins: Crosby, Kessel, 1st
Washington Capitals: Ovechkin, Kuznetsov
Chicago Blackhawks: Kane, Debrincat, Keith, 1st
Colorado Avalanche: Mac, Barrie, 1st
Dallas Stars: Seguin, Klingberg
Minnesota Wild: Dumba, Spurgeon, Granlund, 1st
Nashville Predators: Subban, Forsberg, 2nd
St. Louis Blues: Tarasenko, Parayko, 1st
Winnipeg Jets: Laine, Trouba, Connors, Perreault
Anaheim Ducks: Rackell, Manson, Fowler, 1st
Arizona Coyotes: OEL, Keller, Dvorak
Calgary Flames: Gaudreau, Monahan
Los Angeles Kings: Doughty, Vilardi, Carter
San Jose Sharks: Burns, Pavelski, Hertl, 2nd
Vancouver Canucks: Boeser, Petterson, Horvat, Edler
Vegas Golden Knights: Smith, Karlsson, Marchy, Schmidt