These opinions have been present for a long time, but the counties vote for the scheduling.
We haven't had a single opening batsmen who can properly open in Tests since Cook retired, and he didn't really have a settled partner after Strauss retired. Writing has been on the wall for a long time.
The problem I have is that there isn't enough quality first class players across 18 teams, and hasn't been for a considerable amount of time. We can't find a half decent test spinner, our openers have no experience of facing 2 quality seam bowlers let alone 3 or 4 in a test match as it happens...
I think the reason being, and what HairPiece is alluding to, is that it takes all 18 counties to agree to these changes, and scheduling and whatnot. It is a cumbersome structure for instigating any kind of change because all 18 want to look after their own slice of cake.
Test match cricket is...