I think it's far too early to be making these kinds of statements about anyone, especially in the Atlantic.
Yes, if the Leafs finish the offseason simply "doing their business" of signing their RFAs, they are likely a fringe playoff team with a very deep defence, very questionable secondary/depth offence, a huge hole at 3C, and a couple of gambles in net.
What's not neccessarily considered, is the fact that after signing Raddysh, they have $22m in cap space; and signing Maccelli ($4m?), Robertson ($3m?), Andrae ($2m?), and McKenna ($1m); they'd still be left with about $12m to spend.