Fair, this is still how you view it.
Now go see all other team prospect pool and current young players on all bottom teams the only team who have drafted top rated RD (top 10) the past few years are Montreal and Columbus.
As for Guhle vs Dickinson you are entitled to your opinion but to me it's not even really close at least at the same age of both prospect. Dickinson is way more polished than Guhle was coming out of his draft year, way more poise. That being said, safe prospect with easily projectable pro career like him will go very high to a team that need stability the most likely candidate are Chicago, San Jose or Columbus.
As for RD, you might find him as best case scenario as #2, that is a very fair projection but nowaday young #2 RD are VERY valuable. Look at the habs drafting one 5th overall with Arizona also highly interested in him at 6th overall. San Jose does not have that quality in their pool, neither do the blackhawks and the Senators. They will be way more valuable than the forward (After Macklin) look at last year forward pool way better than this year and many top forward prospect dropped lower than they were supposed to like Dvorsky and Benson while defenseman went surprisingly higher, I think this year will be very similar. With team focusing even more on defenseman since they all lack that quality in their prospect pool.