This is indeed the case. You can consult many film experts and get very different top ten lists. Some critics may hate The Godfather. Some won't get Citizen Kane. Some love a good popcorn fluff movie and find this year's Oscar contenders pretentious.
It becomes a matter of general consensus. And that consensus appears to be that it's a pretty satisfying movie; https://www.rottentomatoes.com/m/project_hail_mary. (High art? No. But that wasn't its goal.)