If you move $\epsilon \geq 0$ forward in the working area of some influential editors following his/her ideas and citing a lot of his/her papers, that's a fantastic paper! If you make strides in an area that is not well-perceived (or well-known) by the editors, that's a minor and uninteresting paper.

Otherwise, you can also solve a one-hundred years open question on which hundreds of mathematicians have worked on without success. Everyone would agree that it makes a great paper. But it seems these days that papers of very high quality are published much more often than interesting questions do appear...

If you move $\epsilon \geq 0$ forward in the working area of some influential editors following his/her ideas and citing a lot of his/her papers, that's a fantastic paper! If you stride in an area that is not well-perceived (or well-known) by the editors, that's a minor and uninteresting paper.

Otherwise, you can also solve a one-hundred years open question on which hundreds of mathematicians have worked on without success. Everyone would agree that it makes a great paper. But it seems these days that papers of very high quality are published much more often than interesting questions do appear...