Skepticism vs Cynicism
Both attitudes force us to question what we and others are doing or suggesting. Both can have some healthy self searching and lead to good debates. But skepticism can end in great support for new ideas once questions are explored and answered while cynicism doesn’t give in or give up.
Be careful of people who are cynics but say or think they are skeptics.
Ask questions like what would it take to change your mind? How will you support this new effort if the majority of evidence says to move ahead?