My take is that their approach was very intentional as McVay likes to say. They like their starters and top contributors from last year. Didn't lose many, so not many openings on the roster.
What they did need was depth at OT. Trost gives them that, plus capable of playing all 5 positiobs according to Snead.
They definitely needed another QB with starting ability since Jimmy is apparently gone. In this instance in particular, a future starter, to finally get that guy in the building.
Then it's clear McVay likes his 13 personnel, so they will keep 5 TEs on the active roster. All 5 are flexible in regards to pass catching & blocking. Need 5 because if you get some injuries then he has to junk that system.
I would think part of the attraction to 13 is it also helps keep Stafford upright. Keeps defenses guessing, better blocking personnel and he doesn't have to hold the ball as long for the most part on those pass patterns.
So they are okay with Whittington & Mumpfield, probably will add a guy late to compete with those guys.
Overall a workmanlike draft. Now, not sure I 100% agree with the approach, but I know nothing compared to those guys.
I do think they sometimes are more concerned with a players floor vs while not being as concerned with a players upside. They want guys that can do the job, high floor guys, but then they miss out on the high upside guys because they want to avoid the higher bust rate, they don't want any surprises. Just my opinion on that.