I agree that the B's probably expected too much from the guys you mentioned, but I don't really understand the bolded part. People can poo poo it all they want, but I do believe that Plan A for the B's was to sign a Top 6 FA like Tavares, Kovalchuk, or Nash so that they would not have to rely too much on the youth. That didn't happen, so Plan B is to see if the young guys can produce, so you don't have to make a deal. They haven't and now they have to go to Plan C, which is to make a deal.
I don't see anything unusual about this progression. Every team in the NHL would prefer to fill holes in their lineup internally before having to go out and make a deal and get rid of players that you drafted and believed in. The question now will be how they react to the fact that the team definitely has some holes that need to be filled, even when Bergeron returns.
I fully agree that they were hoping to add a big FA during the off-season and it didn't pan out, which was a setback.
I couldn't see what you bolded for some reason....guessing it's about relying on the youth. Which I'll expand upon here.
First, once the FA's didn't pan out, my fear is that Sweeney was too reluctant to move prospects to get more established veterans when they had good value. Off the top of my head O'Reilly and Spooner would have been good targets. No idea what the asking price for either would have been, as every GM has guys he likes or dislikes more than others.
Second, I've always been frustrated with the fact that they have drafted so many similar forwards over the past few years, and while there are always nuances between players; Bjork, Donato, JFK, Heinen, even DeBrusk, who is the best of the bunch....are all very similar, with little physicality to offer. I'm not even going to lament skipping on Barzal or Connor, because I know teams miss, but without delving into every draft of the last 5 years, I just get frustrated that they don't seem to value big and physical forwards as much as smaller, less physical ones.
Now, I could be off base and look further into it to find that there wasn't anyone available that fit that description around their picks, but they seem to reach for guys anyways, at times (Zboril, Senyshyn). To me, when you make a reach, it should be for someone who is smallish, but tremendously skilled....like a Barzal/Gaudreau or big and physical that maybe hasn't fully developed their offense. Maybe a third category is reaching for a good leader --- of course they did that with Mark Stuart and while he was a solid player, he wasn't Parise.
Lastly, I guess of all the points I've made, the biggest issue I have is that he seems too reluctant to move the young guys. Maybe he's gun shy because of Seguin, but do we want a gun shy GM? I know don't.
There are always deals to be made IMO. You target a guy or three that can help and do what it takes to get them. If they are truly too expensive to get according to your management team, you move on to the next one.
There's a draft every year and a chance to get the next Pasta, Donato, Bjork, etc. Stockpiling all of these kids is really only good to a point. I cannot envision a successful Bruins team that has Bjork, Donato, Heinen and JFK all playing major roles. Last year I felt the same way, but it was only because I thought they were all too small and not physical enough. Sadly, this year it's that and that I wonder if 1 or 2 aren't even good enough to play in the NHL long term, which is troubling because at least last year they had trade value...now I'm not so sure.
In the end, maybe I'll be proven wrong...but most of us have been around here long enough to have seen the Cam Stewarts, Ivan Huml's, Ryan Spooner's and Cameron Mann's of the world flop....is it really that much of a stretch to think it could happen to these guys?