Bazemore is already on that list.
For the other 3 they are really good players and their new contract hasn't kicked in yet so they ll be judged on them next year. Starts next season and Zeller's is a really good value contract under the new cap. Oladipo might not be a difference maker, but is not a bust, he is decent in both ends and has still room for improvement.
Adams contract might seem really high, but with the lack of decent big men you cannot find many better ones with less money and he is not even 24. And he has improved a lot on the offensive end, some decent post moves(far from elite level, but he can contribute) while on defense he is really really good and would be better if the pnr defense was not collapsing because of Westbrook not guarding his man.
I believe the list is pretty accurate. Of course everyone has his own ideas of bad contracts and maybe there are some around the league that are worse, but you cannot really say that any of those in the list is a good contract.
As someone mentioned Tyler Johnson and his 4/50 I believe it's a really good contract, but it can cause cap problems because of its structure (20M the last 2 years).
Basically, I just started running down the salaries team by team and got tired of doing that. Needless to say, there are a lot of large/bad/debatable contracts out there.
One approach to determining bad contracts is to categorize them:
Bench Player: Max. Salary should be less than $13 mil/year.
Below Median Starter: Max. Salary should be less that $16 mil/year.
Median or above Median Starter: Salary should be less that $18 mil/year
Difference Maker/Star: Salary should be less than $21 mil/year
Superstar: Salary should be less than $24 mil/year.
The numbers are certainly up for debate, but the concept is not. I love Oladipo, but he is not a difference maker. That being said, given this criteria, you can see why some Blazers are on the list. The HOPE for us, the thunder, and other teams, is that their player's values AND THE CAP will increase with time, making their contracts palatable. There are certain players (such as Omer Asik) where this is very unlikely to happen - Crabbe is definitely not one of those players, and hence should never have been put on the list.
p.s. Another even simpler approach is to plot PER vs. annual salary (2 or more years left on contract), do a linear fit, and see who's above and who's below. This wouldn't be the final word, but an intelligent basis to begin a conversation.