I wouldn't say so.
My opinion is that creating a critical text is the crowning achievement of a textual critics career.
It is one thing to gather evidence or discuss individual variants, but it is a completely different task, a more difficult and challenging one, to create a complete text. Everybody who tried to do this will agree.
Therefore my opinion is that textual critics should create more texts. They will learn a lot by doing so and the quality of their work will improve.