Cyberyeti, on 2022-August-25, 03:21, said:
Which exact problem is that ? You may find it's not as big a problem as you think.
I believe he's referring to the problem of having 1♦-1NT = a wide range of 6-10 HCP.
I admit it's a bit of a problem. I "solve" it by mainly avoiding it with a short 1♣ approach.
In this case, most of the time, the 1♦ opener will want to take another bid.
But the issue hasn't disappeared entirely.