In reply to Somnath Jadhav.

Negative voices tend to be more negative than positive, especially in a process like Gutenberg.

There are still a lot of fairly vocal members of the WordPress community who thinks Gutenberg and its inclusion in core is still up for debate and as such try their hardest to argue against it, which also leads to negative reviews. Others install Gutenberg not realizing it is still very much beta where things can and do break, at least it has been for a while, and then give a bad review.

My point is, you shouldn't pay too much attention to the one-star reviews currently.