Of course Jerrell Powe was a disappointment. He was a washed up street free agent. I don't think any of us expected much of him, but to be a stop gap while we addressed the position.
If you don't think DLine was a strength of this football team then tell me what was a strength on this football team? Secondary? Linebackers? OLine? QB? Receivers? TE? And let's leave out RB cause Arian is not a part of the long term solutions of this football team. Of all those units on the football team, yeah, I believe it was the strength of this football team. I'm not saying it's the greatest DLine of all time, but I'm saying by comparison I think it's the best unit on this team.
YOUR next best way is to dominate in the trenches, that is YOUR hypothesis, not mine. Do I want it elite? Obviously. But I want every unit grouping elite, and with modern salary cap NFL and the $$ already committed to the Animal known as 99, we have to start raising up the other unit groups cause not every single position can be elite, something's gotta give.
You can't commit all that money to Watt, then commit all that money to Clowney, then commit all this money to Shelton (or whatever high draft pick DT), cause after a while you have a shoot ton sunk into this DLine, (Clowney as DLine is debatable I know) cause then you have Jerrell Powe's playing CB, Safety, WR, RB, and QB.
This team has holes, I'm sure we can all agree, but if you try and fail addressing the position year in and year out while leaving everything else untouched you become the Detroit Lions. 10/13 top 10 picks and you peak at a one and done playoff performance (haven't won a playoff game in over 20 years) before you have to start dismantling the team and your key contributors are lost to age (ineffectiveness), retirement, or other teams $$.