I kinda agree, but skill issue can be easily extended to time issue. Because it takes time to skill up. And also, if you put higher bar on require skill level

I kinda agree, but skill issue can be easily extended to time issue. Because it takes time to skill up. And also, if you put higher bar on require skill level, you inherently get less developers, which means more work per developer which then converts to time issue. Obviously it's not a one to one, because great dev will spend less time doing good job then a clueless one making a mess, but still