On top of Houston and Detroit, There are also Falcons, Panthers, Colts, Saints, Commanders and a couple of other teams looking to fill the QB position. It is a tough road to go if a top 2 pick in 2023 is the target. Giving 1-5, first rounders as you suggest, weakens the team a lot from other areas. Also if and when there a two QB needy teams on the top 2 picks in 2023, giving the farm might not be enough. Taking a flier on a 2nd round QB this year is not much compared to that and it does not mean a QB is out of the question next year if he doesn't progress as expected.
I'm not disappointed if they don't take a QB this year. I'm just saying this looks like an opportunity to get a serious caliber prospect without having to pay too much.