Absolutely! Couldn't agree more with this. Most often thing I see is teams holding onto a solution to a problem that 1) no-one has, or 2) a few people have but no-one cares about. Sometimes they also over engineer the early iterations to a level of complexity that even prospective users won't "get it". Starting small, doing the research & interview legwork to define the problem, then design the smallest version of one possible product solution to it, iterate, review continuously...