On the other hand, producing like top six players while playing bottom 6 minutes and getting more favourable matchups (not facing the other team’s top defensive pairings and forwards) is not the same thing as being as good as a solid top 6 forward. Like I said, I’m agnostic but there is an argument for trading Garland (and perhaps using those assets received to dump Mikheyev), acquiring a great top 6 forward like Reinhart/Guentzel, and bumping down a player like Suter or Hoglander into the bottom 6.
Garland played top-six minutes at ES all season and in the playoffs. Again, there is this mass confusion that Garland was a "3rd liner" or "depth" because his nominal line was third on the line chart. He performed like a 1st calibre player at ES and Tocc deployed him like a top-six player. In terms of competition, pretty much Miller/Boeser got the toughs and everyone else had a roughly equal distribution of "elite", "middle", and "gritensity" levels of comp (besides Aman who was heavily sheltered).
And then Joshua's usage also went up in the playoffs, to top-six ice-time. In addition to his already-stated top-six production. These were top-six players for the club. This is indisputable at this point.
Like I said before, Guentzel-in and Garland/Joshua-out is a defensible argument. I don't exactly subscribe to it, but it's reasonable. What is unreasonable to is to say jetissoning a guy like Garland means they're not losing a top-six calibre player. That's simply false.
And if you lose both of Joshua/Garland and add a Guentzel, you still can't "bump down" one of Hoglander or Suter. You still need them in the top-six because there's no one else to play there:
Suter - Miller - Boeser
Guentzel - Petey - Hoglander
And then there's basically no third line at all.