no, clinical experience is more important, but it will be a chink in the armor they will pry at during interviews.
This (although I was only asked once about my lack of research experience and I was honest and said I had no interest in research and that I wanted to be a clinician) ,
now my rant:
granted my stats weren't ROCKSTAR, but they were still decent (below 3.5 GPA and below 3.4 ScienceGPA) but I applied with a masters and an above 95 percentile MCAT. I have "only" gotten one acceptance (though I did receive 6 II, mostly at schools that were "lower" on my list but I was smart enough to include them).
I went to an interview at a good school and when I was talking about my application my interview mentioned 5 things that particular school checked off on applications
1.) GPA
2.)MCAT
3.)Research
4.)clinical shadowing/experience
5.) Application/PS (I think, couldn't remember the 5th).
I was a humanities major who did not start taking science classes until end of sophomore year so I never did research (also I am just not interested in research). I suspect this hurt me much more than I thought it would with many schools. My parents are also both physicians and I have volunteered in hospital/clinic settings (usually as an adjunct quasi CHW), but never (formally) shadowed a physician, I used to "shadow" my father when I was younger all the time but that doesn't count. I felt it was superfluous since, at least I think, I have a pretty good grasp on what it means to be a physician and the time/sacrifices that need to be made. but the lack of shadowing on my application was another red flag that, looking back on it, was something I could have easily fixed to make myself more competitive.
I think the biggest thing I learned from this experience is ask other what they learned from interviews/feedback from schools about their app and try to do it on yours (i.e. shadowing). I also learned that everyone loves to say the "its a crap-shoot" bit. true it is somewhat a crap-shoot, but it is also schools looking for a specific type of student, and i think it is less random than people think. the school I was accepted at loves Americorps alumni and people who go into clinical practice who want helping under-served populations (something I have tons of volunteer experience with) and that's why I got an invite. Likewise, schools I thought I was competitive at rejected me most likely because I didn't have something for all those five criteria.
also I made the mistake of thinking that the US NEWS rankings were super duper important. that stuff is an absolute POS. the response rates are so terrible that it really shouldn't be used. sure are some schools "better"? yea. but you need to get out of the undergraduate application mentality and realize every school is great and will get you to becoming a doctor (not mention, while people often sh*& on them, DO schools are also a great option). don't fall into the trap of not applying broadly enough (I almost did).
hope that was coherent