People being an obstacle to positive change, because they believe a better change is possible.. when the changes wouldn't in any way prevent further positive ch

People being an obstacle to positive change, because they believe a better change is possible.. when the changes wouldn't in any way prevent further positive changes from happening.. are the bane of my life. 'bikeshedding' probably covers it, but i feel like if someone could come up with a better metaphor that wasn't specifically about triviality or level of comprehension it could be a profound contribution to human behaviour